Add dynamic stream default effects

Allows runtime modification of what effects should be default
attached to streams of different types/usages. The core functionality
was already in the AudioPolicyEffects system, this allows
the dynamic modification of the lists.

Bug: 78527120
Test: Builds, manually tested an app adding a stream effect,
tested both media on the specified stream and on a different stream.
Also tested by Android Things integration tests.
Change-Id: Ie0426b17ff7daece58b8c85d72fbef620844325b
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index dbfda44..d29f637 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -859,6 +859,50 @@
             (audio_session_t)audioSession, descriptors, count);
 }
 
+status_t AudioPolicyService::addStreamDefaultEffect(const effect_uuid_t *type,
+                                                    const String16& opPackageName,
+                                                    const effect_uuid_t *uuid,
+                                                    int32_t priority,
+                                                    audio_usage_t usage,
+                                                    audio_unique_id_t* id)
+{
+    if (mAudioPolicyManager == NULL) {
+        return NO_INIT;
+    }
+    if (!modifyDefaultAudioEffectsAllowed()) {
+        return PERMISSION_DENIED;
+    }
+    sp<AudioPolicyEffects>audioPolicyEffects;
+    {
+        Mutex::Autolock _l(mLock);
+        audioPolicyEffects = mAudioPolicyEffects;
+    }
+    if (audioPolicyEffects == 0) {
+        return NO_INIT;
+    }
+    return audioPolicyEffects->addStreamDefaultEffect(
+            type, opPackageName, uuid, priority, usage, id);
+}
+
+status_t AudioPolicyService::removeStreamDefaultEffect(audio_unique_id_t id)
+{
+    if (mAudioPolicyManager == NULL) {
+        return NO_INIT;
+    }
+    if (!modifyDefaultAudioEffectsAllowed()) {
+        return PERMISSION_DENIED;
+    }
+    sp<AudioPolicyEffects>audioPolicyEffects;
+    {
+        Mutex::Autolock _l(mLock);
+        audioPolicyEffects = mAudioPolicyEffects;
+    }
+    if (audioPolicyEffects == 0) {
+        return NO_INIT;
+    }
+    return audioPolicyEffects->removeStreamDefaultEffect(id);
+}
+
 bool AudioPolicyService::isOffloadSupported(const audio_offload_info_t& info)
 {
     if (mAudioPolicyManager == NULL) {