Merge "[Optimize][am_kill]add pss for process exit due to am_kill" into main am: a73a8b3a9e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2935570

Change-Id: I2843d67c43247fcb7aadf39e81831f369c16f03f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>