add carrier id in subscriptionInfo

add carrier id in subscriptionInfo so that apps
can get subId, carrrier id and other subscription related info
from a single call.
Bug: 119676543
Test: unit test

Change-Id: Iee4652dde5b1b1820a837093328e2dcc58f0e69f
(cherry picked from commit 15ea95a4bdeeaa7eb9d26d1838504ea218baff0a)
Merged-in: Iee4652dde5b1b1820a837093328e2dcc58f0e69f
1 file changed