am 5c78a488: am fd43aa8a: Merge "Fix writing clean_steps.mk in the first build."
am 5c78a488: am fd43aa8a: Merge "Fix writing clean_steps.mk in the first build."

* commit '5c78a488d0b7d293c254493a9fc5fc71bc50b011':
  Fix writing clean_steps.mk in the first build.

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