[automerger skipped] Freeze all package processes before killing am: 6eff4d8f -s ours

am skip reason: Merged-In Ib0231eaf4b11b15a3d6bac5dc5486844f0f81d18 with SHA-1 a666f83b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18189048



Change-Id: Ic30d4984f6a50bf7a268b69d1be09b87aac71d07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>