Add android.permission.INTERCEPT_SMS permission.

Change-Id: I2e357b6a35d8d962eefa903b7de420b556b9f266
Make it possible to hangup and dialback from IncallScreen

Add slider action in the InCallTouchUi to hangup on the person calling
and immediatly call him/her back.
Add preference to enable and disable this feature

Signed-off-by: scotthartbti <scott@ubuntu.com>

Conflicts:
	res/layout/incall_touch_ui.xml
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
	res/xml/call_feature_setting.xml
	src/com/android/phone/PhoneUtils.java

Change-Id: I9a3b4ff743bde05264d06042313da5f55f5ef765

Conflicts:
	res/layout/incall_touch_ui.xml
	res/values/array.xml
	res/values/strings.xml
	res/xml/call_feature_setting.xml
	src/com/android/phone/PhoneUtils.java
Store phone blacklist in content provider (4/4)

Change-Id: Id5f35132e66e74215158929fae0fe0276e7ba010