Bluetooth A2DP offload: Binder call to audio HAL

Add rule to allow Binder call from Bluetooth process to Bluetooth
audio HIDL interface running in audio HAL service process.

Bug: 72242910
Test: Manual; TestTracker/148125
Change-Id: I1981a78bece10b8e516f218d3edde8b77943d130
(cherry picked from commit e8cfac90e8bf14466b6431a21bc5ccd4bf6ca3ea)
diff --git a/private/bluetooth.te b/private/bluetooth.te
index 86a7a2a..fec9494 100644
--- a/private/bluetooth.te
+++ b/private/bluetooth.te
@@ -61,6 +61,9 @@
 hal_client_domain(bluetooth, hal_bluetooth)
 hal_client_domain(bluetooth, hal_telephony)
 
+# Bluetooth A2DP offload requires binding with audio HAL
+hal_client_domain(bluetooth, hal_audio)
+
 read_runtime_log_tags(bluetooth)
 
 ###