am ea9552eb: am dc82c5a8: am 63030fe6: Merge "Use aarch64-linux-android-4.9 for arm64 build (attempt #3)"

* commit 'ea9552eb2cf68c96078f2128b95490c08a9ec81b':
  Use aarch64-linux-android-4.9 for arm64 build (attempt #3)