Merge pull request #10090 Update container image tags used by Dataflow runner for Beam master

diff --git a/sdks/python/apache_beam/runners/dataflow/internal/names.py b/sdks/python/apache_beam/runners/dataflow/internal/names.py
index ec6f988..5b2dd89 100644
--- a/sdks/python/apache_beam/runners/dataflow/internal/names.py
+++ b/sdks/python/apache_beam/runners/dataflow/internal/names.py
@@ -38,10 +38,10 @@
 
 # Update this version to the next version whenever there is a change that will
 # require changes to legacy Dataflow worker execution environment.
-BEAM_CONTAINER_VERSION = 'beam-master-20191107'
+BEAM_CONTAINER_VERSION = 'beam-master-20191112'
 # Update this version to the next version whenever there is a change that
 # requires changes to SDK harness container or SDK harness launcher.
-BEAM_FNAPI_CONTAINER_VERSION = 'beam-master-20191106'
+BEAM_FNAPI_CONTAINER_VERSION = 'beam-master-20191112'
 
 # TODO(BEAM-5939): Remove these shared names once Dataflow worker is updated.
 PICKLED_MAIN_SESSION_FILE = 'pickled_main_session'