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: Ib96dc3dd577def0a428e2f5cdb5fb7f742120020
Change-Id: Ib96dc3dd577def0a428e2f5cdb5fb7f742120020
(cherry picked from commit fc84bb5f5c)