Fix vts tests:

- setCdmaSubscriptionSource
- nvReadItem
- nvWriteItem
- nvWriteCdmaPrl
- getHardwareConfig
- sendEnvelope
- sendTerminalResponseToSim

Will update .hal file seperately.

Test: adb shell <vts_binary>
Bug: 35671595
Bug: 35800570
Change-Id: I651af50f122f37721778b1088df40fa6e12ac6e4