flounder: update kernel prebuilt (Aug MR2) (DO NOT MERGE) am: 310640f7c7  -s ours am: 7a10190817
am: aeb97e8f3e  -s ours

Change-Id: Icc935f67651a2b5ac3da8cc844c1f71a36f5471d
tree: 231ffea0d4dcc332f7945bc0c65c15f63221d762
  1. Image.gz-dtb