Remove nonexistent $ANDROID_QTOOLS from $PATH.
Remove nonexistent $ANDROID_QTOOLS from $PATH.

Bug: 15983070
Change-Id: Id3807a6dabd616ae06aafc2b894c1858e4400e26

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