[ANAPIC Review] Modify radio 1.6 in telephony side

 - sendSMSExpectMore to sendSmsExpectMore
 - cellBandwidthDownlinkKhz and cellBandwidthUplinkKhz
 - correct the API name and type in test file

Bug: 183738486
Test: make
Test: atest CellSignalStrengthNrTest RILTest CellularNetworkServiceTest
SignalStrengthTest

Change-Id: Ie8d40439ef76dea4e84e2129117b2dfd77df1125