Add exception and conversion tests for HIDL client

Unit tests when HAL throws exception and when non-current user calls
methods that modify HAL status were added for broadcast radio HIDL
2.0 HAL client. Also added tests for conversion utlis methods about
converting for program info and program list chunk.

Bug: 262583864
Test: atest com.android.server.broadcastradio.hal2
Change-Id: Ieaff5f54861b2e794d18c283d4740d7e447c52b9