flo: update prebuilt kernel [DO NOT MERGE] am: d399edd854 am: 847c689aea am: aed31fffc4  -s ours am: d7b1098bf5 am: 4ca71f7e5b
am: 3889062693

* commit '3889062693215b33121a03e0ca743563aba6ce37':
  flo: update prebuilt kernel [DO NOT MERGE]