message: Make convolution_test optonly
diff: @@ -869,6 +869,7 @@ xla_test(
  timeout = "long",
  srcs = ["convolution_test.cc"],
  shard_count = 40,
  + tags = ["optonly"],
  deps = CONVOLUTION_TEST_DEPS + [
  "@com_google_absl//absl/memory",
  "@com_google_absl//absl/strings",
  