Merge changes I647568c3,I73d3349f,I0889ea61,I981e944d,Ica75164c

* changes:
  Define methods in Spam interface to be used later in the PhoneLookup for spam features.
  Link to the correct Assisted Dialing settings depending on platform version.
  Add foreground service permission
  Fixed a regression where we incorrectly reported that the dialpad was visible.
  Add support for yesterday header in NUI Voicemail Tab