SimContacts: Add support for manage SIM Contacts.

Add support for
    1) Showing Manage sim contacts instead of import sim contacts in UI.
    2) Showing Export contacts to sim card in UI and launch relevant
       activity to export contacts to SIM.

Change-Id: If0b668a1c91586b67d841bc4b63adf09279261eb
Add support for Manage SIM Contacts for MultiSim.

Add support to show UI options
    1) Manage sim contacts.
       User can select required subscription or can
       import contacts from all available SIM's.
    2) Export contacts to sim card.
       User can select the SIM card to export contacts to SIM.

Change-Id: I7e727181634d5bfe8eb5f1d273031948be922e4c
IMS-VT: Enable video button

-Enable video button for making VT calls

Change-Id: Iccfdbea30c14ee65d615f6c6a37b02c3dd685faf
IMS-VT: Dynamically enable/disable video call button.

Enable/disable Make Video Call button based on Phone's
local capabilities.

Change-Id: I94ef798bc7f21d38ee7ef5a8ad807cab4c95244c
Add the support for SIM and Phone account

- Add SIM and Phone account type
- Add insert/update/delete operation for SIM contacts
- Add the support for filter SIM contacts
- Add support to save anr and email for SIM contacts

Change-Id: I1aaa9046462ed114488e4cd0cfa0d061a7330c69
IMS-VT: Answer video call with different call types

-Add icon for receiving video call with VT_TX and VT_RX

Change-Id: I8777131f1280804e2e7256877fa781f2a26a7a40