btaudio: aidl: Support offloading all LDAC qualities

At least Qualcomm BT stack supports HW offload of all LDAC quality
configurations (low, medium, high and adaptive). Without this, it
reports invalid codec configuration and breaks the audio session.

10-21 12:24:25.649   880   903 W BTAudioCodecsAidl: IsOffloadLdacConfigurationValid: Unsupported CodecSpecific=CodecSpecific{ldacConfig: LdacConfiguration{sampleRateHz: 96000, channelMode: STEREO, qualityIndex: ABR, bitsPerSample: 32}}
10-21 12:24:25.649   880   903 W BTAudioProviderA2dpHW: startSession - Invalid Audio Configuration=AudioConfiguration{a2dpConfig: CodecConfiguration{codecType: LDAC, encodedAudioBitrate: 0, peerMtu: 666, isScmstEnabled: false, config: CodecSpecific{ldacConfig: LdacConfiguration{sampleRateHz: 96000, channelMode: STEREO, qualityIndex: ABR, bitsPerSample: 32}}}}
10-21 12:24:25.649 21520 21549 E bt_stack: [ERROR:client_interface.cc(391)] StartSession: BluetoothAudioHal Error: Status(-3, EX_ILLEGAL_ARGUMENT): '', audioConfig=AudioConfiguration{a2dpConfig: CodecConfiguration{codecType: LDAC, encodedAudioBitrate: 0, peerMtu: 666, isScmstEnabled: false, config: CodecSpecific{ldacConfig: LdacConfiguration{sampleRateHz: 96000, channelMode: STEREO, qualityIndex: ABR, bitsPerSample: 32}}}}

Change-Id: I50f0aee3af70b15dbc73a4e4570353b0adcdfa27