Moved DataProfile from telephony internal hidden API to System API

This is the preliminary change in order to make the new data call
setup API for IWLAN refactoring.

Test: Telephony sanity tests + unit tests
bug: 64132030

Merged-In: I320632be0d50b03c948b02fa664640ecfb401357
Change-Id: I21aa0ac07d251804716dd88846e7b4913673cdc9
(cherry picked from commit b02e63a7)