am ca15af1b: Merge "Turn on -Werror=implicit-function-declaration for arm64."
am ca15af1b: Merge "Turn on -Werror=implicit-function-declaration for arm64."

* commit 'ca15af1bcde972b6ba3546d45913c9bb51bd93b0':
  Turn on -Werror=implicit-function-declaration for arm64.

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build