Upgrade kernel to 4.19 gki and uploaded gki modules

Used BID 5892068 to generate these artifacts

Bug: 138199351
Bug: 140529116
Test: Treehugger
Change-Id: If7f95103d7185609c4b2060dea92eaa753a82f13
51 files changed
tree: 520e987a428fe3ded99e018930d4c03a1ee5a361
  1. 4.19-arm64/
  2. 4.19-x86_64/
  3. scripts/
  4. uapi/
  5. Android.bp
  6. OWNERS