Revert "TeleService: Fix issue can't answer/reject call when at USSD content view"

This reverts commit a368bdbbd17d3cf975a85b0973afeeaaef9d264e.

Change-Id: I809b8ce72cfee86da62b3233cac25659dd2d3cd4
Signed-off-by: anerikg <anerikgames@gmail.com>

Conflicts:
	src/com/android/phone/CallNotifier.java