Make background helper\'s API 21 workaround more permissive
am: 779bf4e

* commit '779bf4e0187ccc8601fbe9d37a5c0079a534733f':
  Make background helper's API 21 workaround more permissive

Change-Id: Ic2d5d0956d13d4d650b93fb41a1b718e32e68948