Merge changes from topic "bt-a2dp-offload-aosp"

* changes:
  sepolicy: Read access to audioserver for Bluetooth properties
  Bluetooth A2DP offload: Binder call to audio HAL

private/audioserver.te

@@ -36,8 +36,8 @@ allow audioserver permission_service:service_manager find;
 allow audioserver power_service:service_manager find;
 allow audioserver scheduling_policy_service:service_manager find;
 
-# Grant access to the "persist.bluetooth.enabledelayreports" property
-get_prop(audioserver, bluetooth_prop);
+# Allow read/write access to bluetooth-specific properties
+set_prop(audioserver, bluetooth_prop)
 
 # Grant access to audio files to audioserver
 allow audioserver audio_data_file:dir ra_dir_perms;

private/bluetooth.te

@@ -61,6 +61,9 @@ allow bluetooth self:global_capability_class_set sys_nice;
 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)
 
 ###

private/hwservice_contexts

@@ -6,6 +6,7 @@ android.hardware.audio::IDevicesFactory                         u:object_r:hal_a
 android.hardware.authsecret::IAuthSecret                        u:object_r:hal_authsecret_hwservice:s0
 android.hardware.biometrics.fingerprint::IBiometricsFingerprint u:object_r:hal_fingerprint_hwservice:s0
 android.hardware.bluetooth::IBluetoothHci                       u:object_r:hal_bluetooth_hwservice:s0
+android.hardware.bluetooth.a2dp::IBluetoothAudioOffload         u:object_r:hal_audio_hwservice:s0
 android.hardware.boot::IBootControl                             u:object_r:hal_bootctl_hwservice:s0
 android.hardware.broadcastradio::IBroadcastRadio                u:object_r:hal_broadcastradio_hwservice:s0
 android.hardware.broadcastradio::IBroadcastRadioFactory         u:object_r:hal_broadcastradio_hwservice:s0

public/hal_audio.te

@@ -9,8 +9,8 @@ allow hal_audio ion_device:chr_file r_file_perms;
 
 r_dir_file(hal_audio, proc)
 r_dir_file(hal_audio, proc_asound)
-allow hal_audio audio_device:dir r_dir_perms;
-allow hal_audio audio_device:chr_file rw_file_perms;
+allow hal_audio_server audio_device:dir r_dir_perms;
+allow hal_audio_server audio_device:chr_file rw_file_perms;
 
 # Needed to provide debug dump output via dumpsys' pipes.
 allow hal_audio shell:fd use;