Stability improvement for audio recording on Android

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 ef1d7aca229e8ce0ebd2e23d1bd079a48321b267..dd5ac91b2ddf53cd2fea1233c7a24a9e957b9259 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
@@ -148,6 +148,11 @@ public final class WebRtcAudioUtils {
     return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
   }
 
+  public static boolean runningOnMOrHigher() {
+    // API Level 23.
+    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
+  }
+
   // Helper method for building a string of thread information.
   public static String getThreadInfo() {
     return "@[name=" + Thread.currentThread().getName()