Merge the openglui samples into one.

samples/android_sample/custom_rules.xml

Index: samples/android_sample/custom_rules.xml
diff --git a/samples/android_sample/custom_rules.xml b/samples/android_sample/custom_rules.xml
deleted file mode 100644
index 7ef4327dfb3fced9437709bddb9d885db0a64c10..0000000000000000000000000000000000000000
--- a/samples/android_sample/custom_rules.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-     for details. All rights reserved. Use of this source code is governed by a
-     BSD-style license that can be found in the LICENSE file. -->
-
-<project>
-    <target name="-pre-build">
-      <mkdir dir="res/drawable-hdpi"/>
-      <mkdir dir="res/drawable-ldpi"/>
-      <mkdir dir="res/drawable-mdpi"/>
-      <mkdir dir="res/drawable-xhdpi"/>
-      <mkdir dir="assets/music"/>
-      <exec executable="xxd">
-        <arg value="-r"/>
-        <arg value="ic_launcher.png-hdpi.hex"/>
-        <arg value="res/drawable-hdpi/ic_launcher.png"/>
-      </exec>
-      <exec executable="xxd">
-        <arg value="-r"/>
-        <arg value="ic_launcher.png-ldpi.hex"/>
-        <arg value="res/drawable-ldpi/ic_launcher.png"/>
-      </exec>
-      <exec executable="xxd">
-        <arg value="-r"/>
-        <arg value="ic_launcher.png-mdpi.hex"/>
-        <arg value="res/drawable-mdpi/ic_launcher.png"/>
-      </exec>
-      <exec executable="xxd">
-        <arg value="-r"/>
-        <arg value="ic_launcher.png-xhdpi.hex"/>
-        <arg value="res/drawable-xhdpi/ic_launcher.png"/>
-      </exec>
-      <exec executable="xxd">
-        <arg value="-r"/>
-        <arg value="la_ere_gymnopedie.mp3.hex"/>
-        <arg value="assets/music/la_ere_gymnopedie.mp3"/>
-      </exec>
-      <move file="assets/dart/raytrace.dart"
-            tofile="assets/dart/main.dart"
-            failonerror="false" />
-    </target>
-    <target name="-pre-compile">
-    </target>
-    <target name="-post-compile">
-    </target>
-</project>