audio flinger: Bluetooth latency mode control

Add APIs to discover support and control the use
of latency mode control over Bluetooth link.

Bug: 257922898
Test: make

Change-Id: I8d23a40f21465d566f0adc553cfc77e64571395e
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index c683531..5faa8f3 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -2459,6 +2459,23 @@
     return af->getSupportedLatencyModes(output, modes);
 }
 
+status_t AudioSystem::setBluetoothLatencyModesEnabled(bool enabled) {
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == nullptr) {
+        return PERMISSION_DENIED;
+    }
+    return af->setBluetoothLatencyModesEnabled(enabled);
+}
+
+status_t AudioSystem::supportsBluetoothLatencyModes(
+        bool *support) {
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af == nullptr) {
+        return PERMISSION_DENIED;
+    }
+    return af->supportsBluetoothLatencyModes(support);
+}
+
 class CaptureStateListenerImpl : public media::BnCaptureStateListener,
                                  public IBinder::DeathRecipient {
 public: