Merge "Revert "Freeze all package processes before killing"" am: f19a97c2

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2128954



Change-Id: I30b821e910893479da17a6788fed7333dc1b9a46
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>