Merge "Revert "Freeze all package processes before killing"" into tm-dev am:...

Merge "Revert "Freeze all package processes before killing"" into tm-dev am: 097017f4 am: ed7e3fd2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18961727



Change-Id: I8d37bcffa6b8ed800ca6fde590a4ce28a8272822
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>