[automerger skipped] Merge "RESTRICT AUTOMERGE Use chain start token in performOpTransaction" into sc-dev am: 2791da2e05 am: 59e5e06858 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20521154

Change-Id: Idc58f95c71b97a609e50596846f338f71f0f20d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>