Phone: Disconnect current call if there is an active call on other sub

UE should disconnect current foregroundCall if answering
a MT call on other sub and current foregroundCall state is dialing.

CRs-Fixed: 679208

Change-Id: I6d16e92f52462050581471600d84f5fedae038bd
Add MSIM check to avoid phone app crash

Add MSIM check before calling method of MSimCallNotifier as this
class is applicable only for multisim.

Change-Id: I18d91061fd08ac8b64d3a644b11868eb9659b68b
CRs-Fixed: 685937
Disable data in manual PLMN search on non-dsda mode.

While doing manual PLMN search disable data if data
is connected on non-dsda mode.

CRs-Fixed: 657194

Change-Id: I16f2e010e492497a2598ee1b9bdd8977f3d7d048
TeleService: Hide sim label 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: I657c5e905ae15e9a1e370a6c874b81ab700bd286