am b9aacfdf: Merge "new screencap command" into gingerbread

Merge commit 'b9aacfdfb014cc0299f7999d2a8940cd60a4cc59' into gingerbread-plus-aosp

* commit 'b9aacfdfb014cc0299f7999d2a8940cd60a4cc59':
  new screencap command