Exclude Nexus 6 from OpenSL ES usage

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

Index: webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
diff --git a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
index 95c2ca0e4325a2ca7c5adeb822f5efe0709be424..9396c49aee4267c556b490eb6044ed512c845516 100644
--- a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
+++ b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioManager.java
@@ -108,6 +108,17 @@ class WebRtcAudioManager {
     return (audioManager.getMode() == AudioManager.MODE_IN_COMMUNICATION);
   }
 
+   private boolean isDeviceBlacklistedForOpenSLESUsage() {
+    boolean blacklisted =
+        WebRtcAudioUtils.deviceIsBlacklistedForOpenSLESUsage();
+    if (blacklisted) {
+      // TODO(henrika): enable again for all devices once issue in b/21485703
+      // has been resolved.
+      Loge(Build.MODEL + " is blacklisted for OpenSL ES usage!");
+    }
+    return blacklisted;
+  }
+
   private void storeAudioParameters() {
     // Only mono is supported currently (in both directions).
     // TODO(henrika): add support for stereo playout.