Fixes check for default value for push notification sounds

Author: davidtruong

iterableapi/src/main/java/com/iterable/iterableapi/IterableNotification.java

@@ -70,7 +70,7 @@ public static IterableNotification createNotification(Context context, Bundle ex
             String[] soundFile = soundName.split("\\.");
             soundName = soundFile[0];
 
-            if (soundName.equalsIgnoreCase(IterableConstants.DEFAULT_SOUND)){
+            if (!soundName.equalsIgnoreCase(IterableConstants.DEFAULT_SOUND)){
                 int soundID = context.getResources().getIdentifier(soundName, IterableConstants.SOUND_FOLDER_IDENTIFIER, context.getPackageName());
                 Uri soundUri = Uri.parse(IterableConstants.ANDROID_RESOURCE_PATH + context.getPackageName() + "/" + soundID);
                 notificationBuilder.setSound(soundUri);