[automerger skipped] RESTRICT AUTOMERGE Added limitations for attributions to handle invalid cases am: 6219cbabc1 -s ours am: 9deb228c74 -s ours

am skip reason: contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25713742

Change-Id: Ia26d62585667732c13257a8d99dd6c8ed4941b3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>