Download latest android studio by default

update_dependencies.xml

@@ -362,8 +362,7 @@
     </target>
 
     <target name="get_android_studio">
-      <property name="android.version" value="0.4.6"/>
-      <property name="android.build.version" value="133.1028713"/>
+      <taskdef resource="net/sf/antcontrib/antcontrib.properties" classpath="${basedir}/dependencies/ant-contrib.jar"/>
 
       <condition property="android.os.tag" value="windows">
         <os family="windows" />
@@ -382,6 +381,37 @@
         </and>
       </condition>
 
+      <if>
+        <not>
+          <and>
+            <isset property="android.version"/>
+            <isset property="android.build.version"/>
+          </and>
+        </not>
+        <then>
+          <loadresource property="android.version">
+            <url url="http://tools.android.com/download/studio/canary/latest"/>
+            <filterchain>
+              <tokenfilter>
+                <filetokenizer/>
+                <replaceregex pattern="^(.*)http://dl\.google\.com/dl/android/studio/ide-zips/(\d+\.\d+\.\d+)(.*)$" replace="\2" flags="s"/>
+              </tokenfilter>
+            </filterchain>
+          </loadresource>
+          <loadresource property="android.build.version">
+            <url url="http://tools.android.com/download/studio/canary/latest"/>
+            <filterchain>
+              <tokenfilter>
+                <filetokenizer/>
+                <replaceregex pattern="^(.*)http://dl\.google\.com/dl/android/studio/ide-zips/\d+\.\d+\.\d+/android-studio-ide-(\d+\.\d+)(.*)$" replace="\2" flags="s"/>
+              </tokenfilter>
+            </filterchain>
+          </loadresource>
+        </then>
+      </if>
+
+      <echo message="Download android studio: ${android.version} ${android.build.version}" />
+
       <property name="android.file.name" value="android-studio-ide-${android.build.version}-${android.os.tag}.zip" />
       <property name="android.studio.url" value="http://dl.google.com/dl/android/studio/ide-zips/${android.version}/${android.file.name}"/>
       <property name="android.destination.dir" value="android-studio/sdk" />
@@ -399,7 +429,6 @@
         <cutdirsmapper dirs="1"/>
       </unzip>
 
-      <taskdef resource="net/sf/antcontrib/antcontrib.properties" classpath="${basedir}/dependencies/ant-contrib.jar"/>
       <if>
         <matches pattern=".+windows\.zip" string="${android.file.name}"/>
           <then>