Update to use the canonical version of LB proto
diff --git a/grpc.gemspec b/grpc.gemspec
index 3b48967..1d72aab 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -722,6 +722,8 @@
s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc )
s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc )
s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc )
+ s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c )
+ s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c )
s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c )
s.files += %w( src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc )
s.files += %w( src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc )