This required making it no longer depend on GrpcClient. Instead, we now
use the builders that make using GrpcClient almost completely obsolete.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=78860648
The TestService proto is temporarily supplied as a generated jar (until the open source protoc compiler supports grpc).
Copies of messages.proto, empty.proto, and message_set.proto are scrubbed and included in the source under integration-testing.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=78711468