hal: Add support for adaptive bitrate with A2DP Offload

Enable adaptive bitrate configuration for A2DP codecs.
Set up TX feedback path from BTSoC to DSP.
Configure AFE encoder and decoder for inter module
communication.
Configure sample rates independently for RX and TX
backends.

Bug: 63932139
Bug: 68824150
Test: A2DP offload verified on supported codecs
Change-Id: I81b6b9a6278ed50c386f59eed0d5c723e9257401
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index bc15915..a42a458 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -133,6 +133,8 @@
 
     USECASE_INCALL_MUSIC_UPLINK,
 
+    USECASE_AUDIO_A2DP_ABR_FEEDBACK,
+
     AUDIO_USECASE_MAX
 };