Adding VTS tests for IAudioControl#registerModuleChangeCallback

Tests the following:
a) successful registration
b) successful un-registration
b) exception check
   - double registration
   - nullptr registration
   - unsupported feature

Bug: 261647905
Test: run vts --module VtsAidlHalAudioControlTest

Change-Id: I7336c9e8dd8e3ca444e77218fc1150e5528dba32
Signed-off-by: Raj Goparaju <rajgoparaju@google.com>
2 files changed