Backed out changeset 987db9c9b103 (bug 989408) for suspicion of causing B2G debug mochitest shutdown hangs.
Bug 978027 - Part 1: Interface changes for prl version. r=hsinyi, r=allstars.chh, a=1.4+
Bug 978027 - Part 2: RIL implementation for prl version. r=allstars.chh, a=1.4+
Bug 978027 - Part 3: Get icc app index only when the _isCdma flag is ready to use. r=allstars.chh, a=1.4+
Bug 978027 - Part 4: Test cases for prl version. r=allstars.chh, a=1.4+