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

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



Change-Id: I43078deca3f26ca1f5d73ff8c11c5e12d0c3e471
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>