Removed dependence on java interfaces and use only one surface for both embedded and fullscreen surfaces.

samples/BrowserPlugin/src/com/android/sampleplugin/BackgroundSurface.java

@@ -0,0 +1,19 @@
+package com.android.sampleplugin;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.widget.TextView;
+
+public class BackgroundSurface extends TextView {
+
+    public BackgroundSurface(Context context) {
+        super(context);
+
+        this.setBackgroundColor(Color.BLACK);
+        this.setTextColor(Color.WHITE);
+        this.setText("This is a java background plugin");
+
+        // ensure that the view system is aware that we will be drawing
+        this.setWillNotDraw(false);
+    }
+}