Allow crashCommand for tombstone to fail am: 612b846c6d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3002644

Change-Id: I7893632f3c68447ce904e26993aa6059a0a8df3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>