InCallUI: Use the correct key to get the multi sim cards' name

Sim1 card gets its value from "perferred_name_sub0", it should gets its value
from "perferred_name_sub1".

Use the correct key to get the multi sim cards' name.

CRs-Fixed: 625174

Change-Id: I610bfc442523ef2752fe128993a1df72a38168b2
Fix can not active the call in the other sub when one sub is calling

The active sub is changed to a incorrect sub on phone state changed
event which is earlier than incoming call event, so set the incoming
call sub as active sub again when incoming call event got.
CRs-Fixed: 625303

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

Change-Id: Ibcbfc59f7d7f059d8fc04e0fd4f0c385152f9307