[automerger skipped] Delete atoms.proto from statsd am: 15b86108a6 -s ours

am skip reason: Change-Id I36ec354d273dceace5245d7634c68ac63dc5a8cd with SHA-1 4e671568fe is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13126685

Change-Id: Iafdf9c11b7c9155264ca33da177c5a229220c5cd