Blacklisting of HW-AEC/NS and OpenSL must now be done by the WebRTC client

webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java

Index: webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java
diff --git a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java
index 800a93f5279d7be2a680e3a9b752c25e2a322016..5689d20ef54e6ab173980fdeb82d843689f76f66 100644
--- a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java
+++ b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java
@@ -26,20 +26,24 @@ public final class WebRtcAudioUtils {
   // the low latency output mode in combination with OpenSL ES.
   // The device name is given by Build.MODEL.
   private static final String[] BLACKLISTED_OPEN_SL_ES_MODELS = new String[] {
-      // This list is currently empty ;-)
+      // It is recommended to maintain a list of blacklisted models outside
+      // this package and instead call
+      // WebRtcAudioManager.setBlacklistDeviceForOpenSLESUsage(true)
+      // from the client for devices where OpenSL ES shall be disabled.
   };
 
   // List of devices where it has been verified that the built-in effect
   // bad and where it makes sense to avoid using it and instead rely on the
   // native WebRTC version instead. The device name is given by Build.MODEL.
   private static final String[] BLACKLISTED_AEC_MODELS = new String[] {
-      "D6503", // Sony Xperia Z2 D6503
-      "ONE A2005", // OnePlus 2
-      "MotoG3", // Moto G (3rd Generation)
+      // It is recommended to maintain a list of blacklisted models outside
+      // this package and instead call setWebRtcBasedAcousticEchoCanceler(true)
+      // from the client for devices where the built-in AEC shall be disabled.
   };
   private static final String[] BLACKLISTED_NS_MODELS = new String[] {
-      "Nexus 10", "Nexus 9",
-      "ONE A2005", // OnePlus 2
+    // It is recommended to maintain a list of blacklisted models outside
+    // this package and instead call setWebRtcBasedNoiseSuppressor(true)
+    // from the client for devices where the built-in NS shall be disabled.
   };
 
   // Use 16kHz as the default sample rate. A higher sample rate might prevent