HELIX-797: add mssing package def to helix-view-aggregator's pom and ivy files

RB=1233804
BUG=HELIX-797
G=helix-reviewers
R=lxia,jjwang,jxue,erkim
A=jjwang
diff --git a/helix-view-aggregator/helix-view-aggregator-0.6.10-SNAPSHOT.ivy b/helix-view-aggregator/helix-view-aggregator-0.6.10-SNAPSHOT.ivy
index 6da6764..7ba8579 100644
--- a/helix-view-aggregator/helix-view-aggregator-0.6.10-SNAPSHOT.ivy
+++ b/helix-view-aggregator/helix-view-aggregator-0.6.10-SNAPSHOT.ivy
@@ -43,9 +43,10 @@
     <dependency org="org.slf4j" name="slf4j-log4j12" rev="1.7.14" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)">
         <artifact name="slf4j-log4j12" ext="jar"/>
     </dependency>
-		<dependency org="org.apache.helix" name="helix-core" rev="0.6.10-SNAPSHOT" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
+		<dependency org="org.apache.helix" name="helix-core" rev="0.8.0-SNAPSHOT" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
 		<dependency org="org.codehaus.jackson" name="jackson-core-asl" rev="1.8.5" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
 		<dependency org="org.codehaus.jackson" name="jackson-mapper-asl" rev="1.8.5" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
 		<dependency org="commons-cli" name="commons-cli" rev="1.2" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
+		<dependency org="io.dropwizard.metrics" name="metrics-core" rev="3.2.3" conf="compile->compile(default);runtime->runtime(default);default->default"/>
 	</dependencies>
 </ivy-module>
diff --git a/helix-view-aggregator/pom.xml b/helix-view-aggregator/pom.xml
index 27e8047..2f05fcc 100644
--- a/helix-view-aggregator/pom.xml
+++ b/helix-view-aggregator/pom.xml
@@ -42,6 +42,11 @@
 
   <dependencies>
     <dependency>
+      <groupId>io.dropwizard.metrics</groupId>
+      <artifactId>metrics-core</artifactId>
+      <version>3.2.3</version>
+    </dependency>
+    <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
       <version>1.7.25</version>