Bumping Bazel to 3.7.2 (#3654)

diff --git a/.bazelversion b/.bazelversion
index 7c69a55..0b2eb36 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-3.7.0
+3.7.2
diff --git a/.travis.yml b/.travis.yml
index 65bcc12..b2259c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,7 +26,7 @@
       - libgoogle-perftools-dev
 
 env:
-  - BAZEL_VERSION=3.7.0 ENABLE_HEAPCHECK=1
+  - BAZEL_VERSION=3.7.2 ENABLE_HEAPCHECK=1
 
 before_install:
   # download and install bazel
diff --git a/README.md b/README.md
index 6b4b124..4b2718b 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@
 #### Heron Requirements:
  * Java 11
  * Python 3.6
- * Bazel 3.7.0
+ * Bazel 3.7.2
 
 ## Contact
 
diff --git a/docker/compile/Dockerfile.centos7 b/docker/compile/Dockerfile.centos7
index d28f7a8..14832e6 100644
--- a/docker/compile/Dockerfile.centos7
+++ b/docker/compile/Dockerfile.centos7
@@ -47,7 +47,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/compile/Dockerfile.debian10 b/docker/compile/Dockerfile.debian10
index 45eb4eb..f776a0b 100644
--- a/docker/compile/Dockerfile.debian10
+++ b/docker/compile/Dockerfile.debian10
@@ -43,7 +43,7 @@
       wget \
       zip
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/compile/Dockerfile.debian9 b/docker/compile/Dockerfile.debian9
index f025024..1e27a93 100644
--- a/docker/compile/Dockerfile.debian9
+++ b/docker/compile/Dockerfile.debian9
@@ -41,7 +41,7 @@
       wget \
       zip
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/compile/Dockerfile.ubuntu18.04 b/docker/compile/Dockerfile.ubuntu18.04
index 201974e..3743cb5 100644
--- a/docker/compile/Dockerfile.ubuntu18.04
+++ b/docker/compile/Dockerfile.ubuntu18.04
@@ -44,7 +44,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/compile/Dockerfile.ubuntu20.04 b/docker/compile/Dockerfile.ubuntu20.04
index dcf1237..408d9b1 100644
--- a/docker/compile/Dockerfile.ubuntu20.04
+++ b/docker/compile/Dockerfile.ubuntu20.04
@@ -45,7 +45,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/test/Dockerfile.centos7 b/docker/test/Dockerfile.centos7
index 7aab1a1..d95e101 100644
--- a/docker/test/Dockerfile.centos7
+++ b/docker/test/Dockerfile.centos7
@@ -47,7 +47,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/docker/test/Dockerfile.ubuntu18.04 b/docker/test/Dockerfile.ubuntu18.04
index 9aae9c2..61f0118 100644
--- a/docker/test/Dockerfile.ubuntu18.04
+++ b/docker/test/Dockerfile.ubuntu18.04
@@ -42,7 +42,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
diff --git a/scripts/ci/setup_bazel.sh b/scripts/ci/setup_bazel.sh
index 19ccfb8..454adcb 100644
--- a/scripts/ci/setup_bazel.sh
+++ b/scripts/ci/setup_bazel.sh
@@ -29,7 +29,7 @@
     exit 1
 fi
 BAZEL_OS=$1
-BAZEL_VERSION=3.7.0
+BAZEL_VERSION=3.7.2
 
 # Install Bazel
 BAZEL_INSTALLER=bazel-$BAZEL_VERSION-installer-$BAZEL_OS-x86_64.sh
diff --git a/vagrant/init.sh b/vagrant/init.sh
index db85e6c..a68e732 100644
--- a/vagrant/init.sh
+++ b/vagrant/init.sh
@@ -44,7 +44,7 @@
     service marathon start
 }
 
-bazelVersion=3.7.0
+bazelVersion=3.7.2
 bazel_install() {
     apt-get install -y automake cmake gcc g++ zlib1g-dev zip pkg-config wget libssl-dev libunwind-dev
     mkdir -p /opt/bazel
diff --git a/website2/docs/compiling-osx.md b/website2/docs/compiling-osx.md
index ba99b62..936dd73 100644
--- a/website2/docs/compiling-osx.md
+++ b/website2/docs/compiling-osx.md
@@ -34,7 +34,7 @@
 
 ### Step 2 -- Install Bazel
 ```bash
-wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/3.7.0/bazel-3.7.0-installer-darwin-x86_64.sh
+wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/3.7.2/bazel-3.7.2-installer-darwin-x86_64.sh
 chmod +x /tmp/bazel.sh
 /tmp/bazel.sh --user
 ```
diff --git a/website2/website/scripts/Dockerfile.ubuntu18.04 b/website2/website/scripts/Dockerfile.ubuntu18.04
index 83ea709..e3e3c27 100644
--- a/website2/website/scripts/Dockerfile.ubuntu18.04
+++ b/website2/website/scripts/Dockerfile.ubuntu18.04
@@ -52,7 +52,7 @@
 
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
 
-ENV bazelVersion 3.7.0
+ENV bazelVersion 3.7.2
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
       && /tmp/bazel.sh --user
diff --git a/website2/website/scripts/replace.js b/website2/website/scripts/replace.js
index cc29e45..8fba053 100755
--- a/website2/website/scripts/replace.js
+++ b/website2/website/scripts/replace.js
@@ -38,7 +38,7 @@
     '0.20.0-incubating': '0.14.1',
     '0.20.1-incubating': '0.26.0',
     '0.20.2-incubating': '0.26.0',
-    'latest': '3.7.0',
+    'latest': '3.7.2',
 }
 
 function replaceBazel(version) {
diff --git a/website2/website/versioned_docs/version-0.20.2-incubating/compiling-osx.md b/website2/website/versioned_docs/version-0.20.2-incubating/compiling-osx.md
index 9a11cfd..e47e6bb 100644
--- a/website2/website/versioned_docs/version-0.20.2-incubating/compiling-osx.md
+++ b/website2/website/versioned_docs/version-0.20.2-incubating/compiling-osx.md
@@ -35,7 +35,7 @@
 
 ### Step 2 -- Install Bazel
 ```bash
-wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/3.7.0/bazel-3.7.0-installer-darwin-x86_64.sh
+wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/3.7.2/bazel-3.7.2-installer-darwin-x86_64.sh
 chmod +x /tmp/bazel.sh
 /tmp/bazel.sh --user
 ```