Merge pull request grpc#2 from songy23/update-opencensus

Add dependency for opencensus_contrib_grpc_metrics

Author: sebright2

build.gradle

@@ -192,6 +192,7 @@ subprojects {
                 okhttp: 'com.squareup.okhttp:okhttp:2.5.0',
                 okio: 'com.squareup.okio:okio:1.6.0',
                 opencensus_api: 'io.opencensus:opencensus-api:0.8.0-SNAPSHOT',
+                opencensus_contrib_grpc_metrics: 'io.opencensus:opencensus-contrib-grpc-metrics:0.8.0-SNAPSHOT',
                 opencensus_impl: 'io.opencensus:opencensus-impl:0.8.0-SNAPSHOT',
                 instrumentation_api: 'com.google.instrumentation:instrumentation-api:0.4.3',
                 protobuf: "com.google.protobuf:protobuf-java:${protobufVersion}",

core/build.gradle

@@ -4,7 +4,8 @@ dependencies {
     compile project(':grpc-context'),
             libraries.guava,
             libraries.errorprone,
-            libraries.jsr305
+            libraries.jsr305,
+            libraries.opencensus_contrib_grpc_metrics
     compile (libraries.instrumentation_api) {
         // prefer 2.0.19 from libraries instead of 2.0.11
         exclude group: 'com.google.errorprone', module: 'error_prone_annotations'