message: Replace deprecated StrContains in shape_inference_testutil.
diff: @@ -92,7 +92,7 @@ class ShapeInferenceTestutil {
  .error_message(); \
  const string& substring = error_substring; \
  EXPECT_NE("", error_message); \
  - EXPECT_TRUE(::tensorflow::str_util::StrContains(error_message, substring)) \
  + EXPECT_TRUE(absl::StrContains(error_message, substring)) \
  << "Expected to see '" << substring << "' in '" << error_message \
  << "'"; \
  }
  