Merge "[RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions...

Merge "[RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions lower than preload" into sc-dev am: f47417fc

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



Change-Id: I9f1c198cbaa3128761b96cedd2417bedcdf6722e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>