Merge "Revert "Treat process group creation failure due to a dead process as non-fatal"" into main am: dfbc64d8aa am: 9fbd23bc87 am: 25db335d31 am: a308cfc71f am: 9afbccdd74

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2746216

Change-Id: Ife4f28543d6c0f279f478ee1d9852393f4cc337f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>