am 0f0af20d: am 5df6b5c3: Merge "sparse_img.py: Don\'t write empty map groups."
am 0f0af20d: am 5df6b5c3: Merge "sparse_img.py: Don\'t write empty map groups."

* commit '0f0af20d6d4fa7d75f7dd8569f713e68eb0cad46':
  sparse_img.py: Don't write empty map groups.

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