am 18cd0225: Merge "Add -Wno-unused-command-line-argument to clang cflags to enable ccache."
am 18cd0225: Merge "Add -Wno-unused-command-line-argument to clang cflags to enable ccache."

* commit '18cd02257d7045543ba435aa1efa497c8a780f27':
  Add -Wno-unused-command-line-argument to clang cflags to enable ccache.

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