Merge "Revert "Freeze all package processes before killing"" am: f19a97c2 am: 18ecbf18

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



Change-Id: I5594e8e2ccfa33c443d91f4168cd88b3efaa8a41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>