Simplification

app/src/main/java/eu/faircode/email/MediaPlayerHelper.java

@@ -32,9 +32,8 @@ public class MediaPlayerHelper {
             @Override
             public void run() {
                 try {
-                    if (MediaPlayerHelper.isInCall(context))
-                        return;
-                    MediaPlayerHelper.play(context, uri, alarm, duration);
+                    if (!isInCall(context))
+                        play(context, uri, alarm, duration);
                 } catch (Throwable ex) {
                     Log.e(ex);
                 }