message: Append 'grpc' to the C++ service namespaces for google APIs
diff: @@ -56,7 +56,7 @@ def cc_proto_library(name, deps):
  visibility = ["//visibility:public"],
  )
  -def cc_grpc_library(name, srcs, deps, **kwargs):
  +def cc_grpc_library(name, srcs, deps, service_namespace = "grpc", **kwargs):
  """Generates a cc library with grpc implementation and cc proto headers
  Args:
  @@ -72,6 +72,9 @@ def cc_grpc_library(name, srcs, deps, **kwargs):
  generate_cc(
  name = codegen_grpc_target,
  srcs = srcs,
  + flags = [
  + "services_namespace=" + service_namespace,
  + ],
  plugin = "@com_github_grpc_grpc//src/compiler:grpc_cpp_plugin",
  well_known_protos = True,
  generate_mocks = True,
  