am d616d23b: am 3aa9ad02: Make sure the home screen widget is updated when the current playlist is cleared.

Merge commit 'd616d23b0ca7c3a05ee0d1eb977587b1b8fbc916'

* commit 'd616d23b0ca7c3a05ee0d1eb977587b1b8fbc916':
  Make sure the home screen widget is updated when the current playlist is cleared.