[automerger skipped] fix size of v3 boot header am: 41bec4c46b -s ours am: d320f43c68 -s ours

am skip reason: Change-Id I709dacbf3552e09ff0705de45ac178a293971e2b with SHA-1 41bec4c46b is in history

Change-Id: Ie8dc6fd765c833524343170ff6f9052fb384b76a