[automerger skipped] [RESTRICT AUTOMERGE][pm] prevent system app downgrades of...

[automerger skipped] [RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions lower than preload am: 0a549074 -s ours am: 6310ebe7 -s ours am: 2238159b -s ours am: 4c230dcc -s ours

am skip reason: subject contains skip directive

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



Change-Id: I573624b87a4cc6bd24ec44c63bf05c93d38dcfb1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>