Add dependency to gradle

Author: abtom

binder/build.gradle

@@ -56,6 +56,7 @@ dependencies {
     testImplementation project(':grpc-testing')
     testImplementation project(':grpc-inprocess')
     testImplementation testFixtures(project(':grpc-core'))
+    testImplementation project(':grpc-binder')
 
     androidTestAnnotationProcessor libraries.auto.value
     androidTestImplementation project(':grpc-testing')