Add adb shell command to default AIDL

Add adb shell commands to call methods of tune, seek, step, cancel,
startProgramListUpdates and stopProgramListUpdates in
BroadcastRadio HAL.

Bug: 170336130
Test: m -j
Test: manually test dump options listed in "adb shell dumpsys
android.hardware.broadcastradio.IBroadcastRadio/amfm --help"

Change-Id: I7aac96459f61c36dc9aae2d0a3866272f5bb9aed
4 files changed