Enable data after phone switches from CDMA to GSM

Before initiating emergency call on CDMA
phone data will be disabled, if while in
emergency call phone switches from
CDMA to GSM then data will be diabled state
after ending call data will not enable since
phone already switched to GSM.

Test: Manual
Merged-In: Ibe3dd360b65fac05812a6f73fb541cfb37c9500b
Change-Id: Ibe3dd360b65fac05812a6f73fb541cfb37c9500b
Bug: 63513900
(cherry picked from commit 0cdd5d55)