Make WebRtcAudioEffects and its create method public.

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

Index: webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioEffects.java
diff --git a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioEffects.java b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioEffects.java
index 604cdb0d20e4af0b0d232db1aedaf0f4b34dfc1e..90a48d3bc27a5f31a721002adef24df4481f9d9f 100644
--- a/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioEffects.java
+++ b/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioEffects.java
@@ -25,7 +25,7 @@ import org.webrtc.Logging;
 // effects are: AcousticEchoCanceler (AEC) and NoiseSuppressor (NS).
 // Calling enable() will active all effects that are
 // supported by the device if the corresponding |shouldEnableXXX| member is set.
-class WebRtcAudioEffects {
+public class WebRtcAudioEffects {
   private static final boolean DEBUG = false;
 
   private static final String TAG = "WebRtcAudioEffects";
@@ -150,7 +150,7 @@ class WebRtcAudioEffects {
     return canUseNoiseSuppressor;
   }
 
-  static WebRtcAudioEffects create() {
+  public static WebRtcAudioEffects create() {
     return new WebRtcAudioEffects();
   }