[automerger skipped] Disable apex_rollback_tests since it doesn't clean up files am: ff101e28e7 -s ours am: 7703a2bf11 -s ours am: df4f5e904d -s ours

am skip reason: Merged-In Ia07633c0da71f167098b15958e519ebb0bc90b6b with SHA-1 f8365a8edc is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/apex/+/17157063

Change-Id: Icaf866a0db513a9b843f85a355fdca6e205c3858