Build changes for updating Android SDK to 4.3.

build/android/ant/apk-obfuscate.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!--
     Copyright (C) 2005-2008 The Android Open Source Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
 
          http://www.apache.org/licenses/LICENSE-2.0
 
@@ skipping 19 matching lines @@
   <property name="android.tools.dir" location="${sdk.dir}/tools" />
 
   <property name="project.target.android.jar" location="${ANDROID_SDK_JAR}" />
   <path id="project.target.class.path">
     <pathelement location="${project.target.android.jar}" />
   </path>
 
 
   <!-- jar file from where the tasks are loaded -->
   <path id="android.antlibs">
-      <pathelement path="${sdk.dir}/tools/lib/anttasks.jar" />
+      <pathelement path="${sdk.dir}/tools/lib/ant-tasks.jar" />
   </path>
 
   <!-- Custom tasks -->
   <taskdef resource="anttasks.properties" classpathref="android.antlibs" />
 
   <!-- Classpath for javac -->
   <path id="javac.custom.classpath">
     <filelist files="${INPUT_JARS_PATHS}"/>
   </path>
 
@@ skipping 97 matching lines @@
           -dump         "${obfuscate.absolute.dir}/dump.txt"
           -printseeds   "${obfuscate.absolute.dir}/seeds.txt"
           -printusage   "${obfuscate.absolute.dir}/usage.txt"
           -printmapping "${obfuscate.absolute.dir}/mapping.txt"
         </proguard>
       </then>
     </if>
     <touch file="${STAMP}" />
   </target>
 </project>