Merge pull request #8453 from JosJuice/android-nvidiashieldworkaroundview

Android: Expand the comment for NVidiaShieldWorkaroundView

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/NVidiaShieldWorkaroundView.java

@@ -12,6 +12,9 @@ import android.view.View;
 
 /**
  * Work around a bug with the nVidia Shield.
+ *
+ * Without this View, the emulation SurfaceView acts like it has the
+ * highest Z-value, blocking any other View, such as the menu fragments.
  */
 public final class NVidiaShieldWorkaroundView extends View
 {