bullhead: update kernel prebuilt[ DO NOT MERGE ] am: b6708ca998  -s ours am: ae8a995f36 am: b6d9785668
am: 18361348c1

Change-Id: I3a81dc30f4c7bec9cb12eb922490d98435f3f99b
tree: a4b12606105d541035b5154e7b57f5af69299645
  1. Image.gz-dtb