Merge "Revert "Revert "hammerhead: update prebuilt kernel""" into mnc-dev am: b161ef57a0  -s ours
am: 800806c33d

* commit '800806c33dd4e0a4f79a7ffcd6b2ca722b02404f':
  Revert "Revert "hammerhead: update prebuilt kernel""