Unified the information passing mechenism between data modules

Added callback for each data modules so information could
be passed between sub-modules and the data network controller.

Bug: 196597630
Test: atest FrameworksTelephonyTests

Merged-In: I0152a9e7b791e37dda15f602829d33f6091e8f7a
Change-Id: I0152a9e7b791e37dda15f602829d33f6091e8f7a