am c4291549: am 5081cbf0: am faeae397: Merge "Turn on -Werror=implicit-function-declaration for x86-64."
am c4291549: am 5081cbf0: am faeae397: Merge "Turn on -Werror=implicit-function-declaration for x86-64."

* commit 'c429154989634f72c8d130f37e4410ee975a4b35':
  Turn on -Werror=implicit-function-declaration for x86-64.

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