Exclude JRuby from conformance tests for now.
Exclude JRuby from conformance tests for now.

Change-Id: Id008ebac5159f773e1bde8b85acb2626cbd16de8

Livefyre/protobuf,google/protobuf,Livefyre/protobuf,Livefyre/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf