Merge tag 'android-10.0.0_r18' into c10

Android 10.0.0 Release 18 (QQ1B.191205.011)
tree: a1b8a6842d2cf369199f84379eeb00ba6aadae2d
  1. src/
  2. tests/
  3. Android.bp
  4. CleanSpec.mk
  5. OWNERS
  6. README.txt