[automerger] Don't pad before calling writeInPlace(). am: 732132b765 am: a6a5c3fa47 am: 325909a4e4 am: 953b08b7c0 am: 32da4bbe1e am: a01397282d

Change-Id: Ic33c5a73fa98f2310c22c4efc83764a69708f44b