Block allocateBufferWithBackup in secure native handle mode am: 528c7dd7c2 am: 9b14c30565 am: 9f7e205a80 am: 9eeb7cb2fd
am: 5c1e5ec1b2  -s ours

Change-Id: I232e634625b7f3d6a05e0737ca636b8e6a47e0d2