Add cellInfoList_1_2 in IRadioIndication.java.

As part of the new NetworkScan API project, we need to add V1_2
cellInfoList in RadioIndication to support the V1_2 CellInfo as well.

Bug: 63984327, 69058403, 71697391
Test: Basic telephony sanity
Change-Id: Ia942be465bca76e1b3f42a5086d4a8c719b6d7ae