[automerger skipped] RESTRICT AUTOMERGE Use chain start token in performOpTransaction am: 3d563d27aa -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20591844

Change-Id: I732025ee29fe54cfd24b3660865bbbeac58d0866
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>