Bump up the version number to 1.1.40008

<?xml version="1.0" encoding="utf-8"?>

<manifest android:versionCode="40007"

        android:versionName="1.1.40007"

<manifest android:versionCode="40008"

        android:versionName="1.1.40008"

        xmlns:android="http://schemas.android.com/apk/res/android"

        package="com.android.gallery3d">