Merge spl-2021-03-05

Change-Id: I180565d66f673626cfefd16ed614a6d87fe06f49
tree: d902a8bbd24befcf090c93489837b71308f9c3b4
  1. doc/
  2. include/
  3. src/
  4. tests/
  5. tools/
  6. Android.bp
  7. OWNERS