add METADATA file am: b026ecd62b am: 26b2b7ccf4 am: 08bca01f9a am: af990cca49 am: 79e5caf442

Original change: https://android-review.googlesource.com/c/platform/external/bazelbuild-rules_testing/+/2583100

Change-Id: I24c3f5963c1aa3f30b6c0e23744c34ebafbb7b61
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>