Merge "Add support for tombstone symbolization to pbtombstone." into main am:...

Merge "Add support for tombstone symbolization to pbtombstone." into main am: f59ca8c2 am: d8da0e48

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3005886



Change-Id: I55a2f3f1a53f79c82e94580fbf97fb33b7b9c402
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>