InCallUI: Hide sim label when when calling sub is absent

When make emergency call without sim card, the sim
card index 0 will be used.

If the state of calling sub is absent, hide the sim label.

CRs-Fixed: 683248

Change-Id: Ib912ec0751c0d7942e08e04c34c32df0f2a21bb7
InCallUI: Do not dismiss the keyguard when there is active call

The InCallUI will dismiss the keyguard when there is active call.

Add a config to check whether we need to dismiss the Keyguard screen
when there is active call, we set false as default.

CRs-Fixed: 688484

Conflicts:
	src/com/android/incallui/InCallPresenter.java

Change-Id: Ifd0dbb322562464efacb9c5a8234d55055c9e8e4