Update kernel to builds 6803710 am: 270d5b7a8b

Original change: https://android-review.googlesource.com/c/device/google/cuttlefish_kernel/+/1416772

Change-Id: I3047d46f0e9a4a6d1393c29edcf42d1a495346c8
tree: e4dabf35a9cbc21fb4926f314ef3c6faef24bf44
  1. 5.4-arm64/
  2. 5.4-x86_64/
  3. scripts/
  4. Android.bp
  5. METADATA
  6. OWNERS
  7. TEST_MAPPING