Merge remote-tracking branch 'aosp/androidx-platform-dev-temp' into 191673756_upstream_platform

Bug: 191673756
Test: ./gradlew bOS
Change-Id: Icc74c0fb520e24c69bfa861ce969d14bb05e00fc
tree: 6b40d3d55f2a7a2b9bc25b1380b9920790a620f1
  1. darwin-x86_64/
  2. linux-x86_64/
  3. windows-x86/
  4. README.txt