Make telephonycallback specific to subId

This change is to keep track of telephony display info for different subId on quick settings dialog. For each subId, use a map to keep track of telephonyCallBack and displayInfo.

Test: manual voice call + data browsing + toggle QS settings
Bug: 258510998
Change-Id: I0676b40af1cdc68eb0860126a8c1ef18e39bf720
2 files changed