Merge "Move tombstone_proto_to_text out of libdebuggerd." into main am: 73ade161 am: 85f22598

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2836598



Change-Id: I70fa083b8f48bd456e48f08759354351ef4b21b0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>