[automerger skipped] [RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions lower than preload am: 0a54907477 -s ours am: 6310ebe7c9 -s ours am: 2238159b7f -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21161445

Change-Id: I65da2c185986a0cdae34f526e5461915ceade74d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>