message: Add TF Lite-disabling variable
diff: # Use the specified configurations when building.
  # When set, overrides TF_BUILD_IS_OPT and TF_BUILD_MAVX
  # options, as this will replace the two.
  +# TF_SKIP_LITE_TESTS:
  +# If set to any non-empty or non-0 value, will skip running
  +# contrib/lite tests, but will leave other contrib tests.
  # TF_SKIP_CONTRIB_TESTS:
  -# If set to any non-empty or non-0 value, will skipp running
  +# If set to any non-empty or non-0 value, will skip running
  # contrib tests.
  # TF_NIGHTLY:
  # If this run is being used to build the tf_nightly pip
  @@ -147,10 +150,12 @@ BENCHMARK_CMD="${CI_BUILD_DIR}/builds/benchmark.sh"
  EXTRA_PARAMS=""
  BAZEL_TARGET="//tensorflow/... -//tensorflow/compiler/..."
  +if [[ -n "$TF_SKIP_LITE_TESTS" ]]; then
  + BAZEL_TARGET="${BAZEL_TARGET} -//tensorflow/contrib/lite/..."
  +fi
  +
  if [[ -n "$TF_SKIP_CONTRIB_TESTS" ]]; then
  - BAZEL_TARGET="$BAZEL_TARGET -//tensorflow/contrib/..."
  -else
  - BAZEL_TARGET="${BAZEL_TARGET} //tensorflow/contrib/lite/..."
  + BAZEL_TARGET="${BAZEL_TARGET} -//tensorflow/contrib/..."
  fi
  TUT_TEST_DATA_DIR="/tmp/tf_tutorial_test_data"
  