ensure /data/tombstones exists on all Android devices am: e2796207ee am: 9660c6759e am: 4d4eb0db97 am: 6d7ce7b14c
am: 077a9ffe40

* commit '077a9ffe402c0776328bd5a4e85230bba458dc47':
  ensure /data/tombstones exists on all Android devices