CTA2075: Adapted cts tests to new API surface

Test: adb shell device_config put media_audio android.media.audio.loudness_configurator_api true
Test: atest CtsMediaAudioTestCases:LoudnessCodecControllerTest
Bug: 298463873
Bug: 312529024
Bug: 314961545
Change-Id: I986149cb92f71a91db263a21128b4ee271354066