[automerger skipped] Merge "[RESTRICT AUTOMERGE][pm] prevent system app...

[automerger skipped] Merge "[RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions lower than preload" into sc-dev am: f47417fc am: 8c87e333 -s ours am: 746376ba -s ours am: 1ffb88aa -s ours

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21160027



Change-Id: I7c35f90fc84bb8bb47e738c4df6fcd730b68d5ec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>