Telephony: Add Managed Roaming Intent.

Introduce new intent with name ACTION_MANAGED_ROAMING_IND.
This intent is used to inform "location reject" status
information to applications.

Change-Id: I79c7ea2e647617e58526b5b550406214455a58aa
(cherry picked from commit 53f8c89c8c80fe6145828fce863d3e2dd44d3e53)
(cherry picked from commit 4d8c1003c621ca05473e8d5b0a1cfbdd81f9b66e)
(cherry picked from commit f266505d3431d4015adf72f63c6568ee4320bb9c)