Revert "InCallUI: Flip to Mute/Reject Call cleanup: fix ITelephony access"

This reverts commit 056d1f0ae545e776c6cd648c563345f125c7c71c.
Revert "[3/3] InCallUI: Flip to Mute/Reject Call"

This reverts commit 1af9ad55f38bbd11ca412f11829846e0b61c4bab.

Change-Id: I537d968127783c8f1a61363d4f89132bafb82e95