am 45ff36ee: Print out the tree size of system directory if it failes to build system.img
am 45ff36ee: Print out the tree size of system directory if it failes to build system.img

* commit '45ff36ee4c85c215df5cd2ec8425e3062d758976':
  Print out the tree size of system directory if it failes to build system.img

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