[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-qpr1-dev am: 9f5919a3 -s ours am: b28ae832 -s ours am: 465eea9a -s ours am: ba884138 -s ours

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



Change-Id: Iec929d46013974bb0c8179d4a9f80874c9ccbd63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>