[automerger skipped] Fix unused import. am: 97e996993b -s ours
am: 58b5725359 -s ours
am skip reason: change_id I5664e4778f91c1e6944db1106c314820196238cb with SHA1 7ff5e2a888 is in history

Change-Id: I0f0bc6370db3d8761149e78b88fd66cad6063977