Add dummy View that works 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. This includes the menu
fragments and the screenshot ImageView.

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

@@ -0,0 +1,25 @@
+/**
+ * Copyright 2013 Dolphin Emulator Project
+ * Licensed under GPLv2+
+ * Refer to the license.txt file included.
+ */
+
+package org.dolphinemu.dolphinemu.ui;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * Work around a bug with the nVidia Shield.
+ */
+public final class NVidiaShieldWorkaroundView extends View
+{
+	public NVidiaShieldWorkaroundView(Context context, AttributeSet attrs)
+	{
+		super(context, attrs);
+
+		// Setting this seems to workaround the bug
+		setWillNotDraw(false);
+	}
+}

Source/Android/app/src/main/res/layout-television/activity_emulation.xml

@@ -11,6 +11,10 @@
         android:layout_height="match_parent"
         android:visibility="invisible"/>
 
+    <org.dolphinemu.dolphinemu.ui.NVidiaShieldWorkaroundView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
     <ImageView
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -42,4 +46,4 @@
 
     </LinearLayout>
 
-</FrameLayout>
+</FrameLayout>