am 178b20db: am ede3e310: am 2c0c1e56: Merge "Build 64-bit host tools in Linux/Mac SDK build."
am 178b20db: am ede3e310: am 2c0c1e56: Merge "Build 64-bit host tools in Linux/Mac SDK build."

* commit '178b20dbf4ddb3b32eb2230f41aca25c138b632f':
  Build 64-bit host tools in Linux/Mac SDK build.

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