Support Java resources within content and chrome

build/android/ant/chromium-apk.xml

 <!--
   Copyright (c) 2012 The Chromium Authors. All rights reserved.
   Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file.
 -->
 <project default="error">
   <property name="ant.project.name" value="${APK_NAME}"/>
   <!--
     Gyp will pass CONFIGURATION_NAME as the target for ant to build. These targets will call the
     appropriate sdk tools target.
@@ skipping 13 matching lines @@
       name="out.dir"
       location="${PRODUCT_DIR}/${PACKAGE_NAME}"
       check-exists="false"
   />
 
   <path id="javac.srcdirs.additional">
     <filelist files="${ADDITIONAL_SRC_DIRS}"/>
     <filelist files="${GENERATED_SRC_DIRS}"/>
   </path>
 
+  <!-- Include additional resource folders in the apk, e.g. content/.../res.
+       We list the res folders in project.library.res.folder.path and the
+       corresponding java packages in project.library.packages, which must be
+       semicolon-delimited while ADDITION_RES_PACKAGES is space-delimited, hence
+       the javascript task. -->
+  <path id="project.library.res.folder.path">
+    <filelist files="${ADDITIONAL_RES_DIRS}"/>
+  </path>
+  <script language="javascript">
+      var before = project.getProperty("ADDITIONAL_RES_PACKAGES");
+      project.setProperty("project.library.packages", before.replaceAll(" ", ";"));
+  </script>
+
   <property-value name="target.abi" value="${APP_ABI}"/>
   <property name="resource.absolute.dir" value="${RESOURCE_DIR}"/>
   <property-value name="gen.absolute.dir" value="${out.dir}/gen"/>
   <property-location name="native.libs.absolute.dir" location="${out.dir}/libs"
       check-exists="false"/>
 
   <property-value name="version.code" value="${APP_MANIFEST_VERSION_CODE}"/>
   <property-value name="version.name" value="${APP_MANIFEST_VERSION_NAME}"/>
 
   <!--
@@ skipping 23 matching lines @@
   </path>
 
   <path id="out.dex.jar.input.ref">
     <path refid="javac.custom.classpath"/>
   </path>
 
   <import file="sdk-targets.xml"/>
   <import file="${sdk.dir}/tools/ant/build.xml"/>
 </project>