Get default provider codec from HAL

 1. Add function getProviderCapabilities_2_2
    to return audio capability
 2. Add function GetLeAudioOffloadCodecCapabilities
    to get le audio offload capability
 3. Add LeAudioCapability in HAL 2.2

Tag: #feature
Bug: 203535499
Bug: 150670922
Test: atest BluetoothInstrumentationTests

Change-Id: Ied2d0c8c0bdaa4b8d0c149b5164ba346e4df5ae1