[automerger skipped] [DO NOT MERGE] btif: Lighter weight file existence check
am: 92542d13 -s ours
am skip reason: change_id Ib47b24e9d96803b7822535f9f566aa7818b38953 with SHA1 3e6b47d9 is in history
Change-Id: If7af752323d5275478bf6d606fd9ebbf1a788442