[automerger] [DO NOT MERGE] make_f2fs: issue discard commands on mkfs am: dd89f9cde6 am: cbba57fb8a am: 671c19a0bd am: f56ec9d4a3 skipped: f85f40e80c

Change-Id: I1f2dbc84617df5faa6f437ee6e96872183805b97