[automerger skipped] Fix unused import. am: 410fecd70b -s ours
am: f5e4c392ec -s ours
am skip reason: change_id I5664e4778f91c1e6944db1106c314820196238cb with SHA1 7ff5e2a888 is in history

Change-Id: I2967f931b576da95860718dcd9089c0eafa95425