Merge "Freeze all package processes before killing" am: beccf603 am:...

Merge "Freeze all package processes before killing" am: beccf603 am: aeed765f am: cf601dd4 am: 0293a460 am: 5b5c31f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2080733



Change-Id: I153213fe4febd437b9894fd5460c98215139aa87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>