Add -oss_excluded to TF build/test tag filters

Currently, `no_oss` is used to exclude a test from running in the official TF OSS test infrastructure. However, it is difficult to distinguish between temporary and permanent exclusions. For example, a test may be disabled temporarily if it is broken, or it may be designed to not run on OSS permanently. To address this issue, we introduce a new tag `oss_excluded` for platform exclusion design. `no_oss` will now be considered to disable broken tests, while `oss_excluded` will be used to permanently exclude a test from running on OSS.

PiperOrigin-RevId: 516372702

Author: kanglant

CONTRIBUTING.md

@@ -248,7 +248,7 @@ You can run all the tests locally by running the following command in the repo
 root directory.
 
 ```
-bazel test --test_timeout 300,450,1200,3600 --test_output=errors --keep_going --define=use_fast_cpp_protos=false --build_tests_only --build_tag_filters=-no_oss --test_tag_filters=-no_oss keras/...
+bazel test --test_timeout 300,450,1200,3600 --test_output=errors --keep_going --define=use_fast_cpp_protos=false --build_tests_only --build_tag_filters=-no_oss,-oss_excluded --test_tag_filters=-no_oss,-oss_excluded keras/...
 ```
 
 ### Useful configs

keras/kokoro/github/ubuntu/cpu/build.sh

@@ -43,6 +43,6 @@ pip uninstall -y keras-nightly
 bazel test --test_timeout 300,450,1200,3600 --test_output=errors --keep_going \
    --define=use_fast_cpp_protos=false \
    --build_tests_only \
-   --build_tag_filters="-no_oss" \
-   --test_tag_filters="-no_oss" \
+   --build_tag_filters="-no_oss,-oss_excluded" \
+   --test_tag_filters="-no_oss,-oss_excluded" \
    -- //keras/...

keras/kokoro/github/ubuntu/gpu/build.sh

@@ -44,7 +44,7 @@ export LD_LIBRARY_PATH="/usr/local/cuda/lib64:/usr/local/cuda/extras/CUPTI/lib64
 export TF_CUDA_COMPUTE_CAPABILITIES=6.0
 TF_CUDA_CONFIG_REPO="@ubuntu16.04-py3-gcc7_manylinux2010-cuda10.1-cudnn7-tensorrt6.0_config_cuda"
 
-tag_filters="gpu,-no_gpu,-nogpu,-benchmark-test,-no_oss,-oss_serial,-no_gpu_presubmit"
+tag_filters="gpu,-no_gpu,-nogpu,-benchmark-test,-no_oss,-oss_excluded,-oss_serial,-no_gpu_presubmit"
 # There are only 4 GPU available on the local test machine.
 TF_GPU_COUNT=4
 TF_TESTS_PER_GPU=8

keras/tools/bazel_build.sh

@@ -14,7 +14,7 @@ PATH="/home/kbuilder/bin:$PATH"
 which bazel
 bazel version
 
-TAG_FILTERS="-no_oss,-oss_serial,-gpu,-benchmark-test,-no_oss_py3,-no_pip,-nopip"
+TAG_FILTERS="-no_oss,-oss_excluded,-oss_serial,-gpu,-benchmark-test,-no_oss_py3,-no_pip,-nopip"
 bazel build \
     --define=use_fast_cpp_protos=false \
     --build_tag_filters="${TAG_FILTERS}" \