[automerger skipped] Update kernel to builds 6481528 am: 2a48389e2c -s ours

am skip reason: Change-Id I1c4774be490469495f4ce0876cd13364f5045a68 with SHA-1 d81e1d9139 is in history

Change-Id: Iae01f2e643333bb1a40f70eef579c0db26c5a2a8
tree: d4739c85ac4a999663b2aaaa86ea198e19b76785
  1. 5.4-arm64/
  2. 5.4-x86_64/
  3. scripts/
  4. Android.bp
  5. METADATA
  6. OWNERS
  7. TEST_MAPPING