Jack Yu b592e29f28 Moved data connection response into system api.
This is a preliminary step for IWLAN refactoring, where data response
will be one of the parameter in data service callback.

Test: Telephony sanity tests
bug: 64132030
Merged-In: I7eb5318cd75ca3b7a29d5bf0da18d6b29a228ee1
Change-Id: I7eb5318cd75ca3b7a29d5bf0da18d6b29a228ee1
(cherry picked from commit e44609b15866d080e0f8813b99d04b51a6f32929)
2017-12-08 13:28:07 -08:00
..