Merge "[Optimize][am_kill]add pss for process exit due to am_kill" into main am: a73a8b3a9e am: 5fbc86ca8c

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

Change-Id: I597f9aaa9f3a3f07643d4320b47e0224e942f386
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>