audio: Register Bluetooth service with audio HAL

Register Bluetooth audio library with audio HIDL service.
Changes required for A2DP offload implementation.

Bug: 63932139
Bug: 68824150
Test: A2DP offload verified on supported codecs
Change-Id: Idd89f0d28903579d42bd0f33b0194fb8dc2ceaaa
(cherry picked from commit c5a5203114b7696f5287c0ebada84b35df1be0f7)
diff --git a/audio/common/all-versions/default/service/Android.mk b/audio/common/all-versions/default/service/Android.mk
index f502dfd..43d7fe1 100644
--- a/audio/common/all-versions/default/service/Android.mk
+++ b/audio/common/all-versions/default/service/Android.mk
@@ -43,6 +43,7 @@
     android.hardware.audio.common@4.0 \
     android.hardware.audio.effect@2.0 \
     android.hardware.audio.effect@4.0 \
+    android.hardware.bluetooth.a2dp@1.0 \
     android.hardware.soundtrigger@2.0 \
     android.hardware.soundtrigger@2.1