Merge tag 'android-8.1.0_r20' of https://android.googlesource.com/platform//packages/apps/PhoneCommon into HEAD

Android 8.1.0 release 20
tree: 4fa6f5c9a1349ff4c99c159b41d8fdd736f0953c
  1. res/
  2. src/
  3. Android.mk
  4. AndroidManifest.xml
  5. build.gradle