Revert "Fix cherry-pick derp"

This reverts commit a2001359f57491d30c6c7aeb848beeee05a60e97.
Revert "InCallUI: add decline and answer  incoming call action on notifications"

This reverts commit 81569b0efd1840d449991e12a3a9d41d0103868d.
Revert "InCallUI: Incoming Call in Background (1/3)"

This reverts commit 67eee8cbc63621342cc4762b33da7edfa204350d.