Parse broadcast offload capabilities

1. Store the broadcast offload configuration in the codec manager
2. Using the first broadcast capability as the offload broadcast config
3. Use sample frequency and frame duration to map the high reliability qos config

Tag: #feature
Bug: 242472419
Test: atest --host bluetooth_le_audio_test bluetooth_test_broadcaster --no-bazel-mode
Change-Id: I0b542e6e1452f895c6b4f6db48f1c541ded0813e