InCallUI: Port "Add to blacklist" support to in-call ui (1 of 2)

Change-Id: I3f9777c112a4d25499b474762f83d187782c6ca0
Revert "Revert "Make incall screen glopad background themeable""

This reverts commit 93821a4f0417ce54255e570c56d135a20a1683bd.
Russian dialer buttons
InCall full screen photo

InCall Text Shadow styles & themes support
Disable Touch by Proximity Sensor