Update kernel to builds 6487912 am: d36e8ad612

Change-Id: Ib710f39ac65cd607bfe0ea9cc10f8bf47e2ce6c0
tree: 0916918b6c2313693c5c946567b92344dbae10cb
  1. 5.4-arm64/
  2. 5.4-x86_64/
  3. scripts/
  4. Android.bp
  5. OWNERS
  6. TEST_MAPPING