Adding hidden TM calls to scan/select cell networks.

TM.getCellNetworkScanResults: Performs a radio scan for networks and returns
a list of OperatorInfo.

Tm.setNetworkSelectionModeManual: Manually selects a network and returns the
status of the selection.

Bug: 21563489
Change-Id: Iea97032e1f266224d58eb75ac1efbfc29ef185dc
1 file changed