Merge "Log process exit reason and subreason as strings." into main am: ee330cda am: baadd723

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3155557



Change-Id: I69b5fd4a8f77c015a48905824ac466c47c5bbb52
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>