am ca6de93a: Merge "Fix number counter will keep going after window losed focus."

Merge commit 'ca6de93a9d2f11a18187d9fcd54303813c06094a' into gingerbread-plus-aosp

* commit 'ca6de93a9d2f11a18187d9fcd54303813c06094a':
  Fix number counter will keep going after window losed focus.