hooking into -build-setup instead of requiring to patch Android SDK's…

… build.xml

build.xml

@@ -84,11 +84,11 @@
          in order to avoid having your file be overridden by tools such as "android update project"
     -->
     <!-- version-tag: custom -->
-    <import file="${sdk.dir}/tools/ant/build_with_config.xml" />
+    <import file="${sdk.dir}/tools/ant/build.xml" />
 	<!-- build_with_config is the original build.xml from ADK with config added to the compile task
 	<target name="-compile" depends="-config, -build-setup, -pre-build, -code-gen, -pre-compile">
 	 -->
-  <target name="-config">
+  <target name="-build-setup" depends="android_rules.-build-setup">
     <tstamp/>
     <echo>Configuring build date</echo>
     <property name="config-target-path" value="res/raw"/>