Fix VideoPlayer Build.VERSION minimum

// FREEBIE

src/org/thoughtcrime/securesms/video/VideoPlayer.java

@@ -75,7 +75,7 @@ public class VideoPlayer extends FrameLayout {
   public void setVideoSource(@NonNull MasterSecret masterSecret, @NonNull VideoSlide videoSource)
       throws IOException
   {
-    if (Build.VERSION.SDK_INT >= 14) setExoViewSource(masterSecret, videoSource);
+    if (Build.VERSION.SDK_INT >= 16) setExoViewSource(masterSecret, videoSource);
     else                             setVideoViewSource(masterSecret, videoSource);
   }