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

Using reflection to access ITelephony is a strange idea

Change-Id: Ia34b135460cc2b85fbd5db4585228a015c2a52b1
InCallUI: Port "Add to blacklist" support to in-call ui (1 of 2)

Change-Id: I3f9777c112a4d25499b474762f83d187782c6ca0

Conflicts:
	res/values/cm_strings.xml