Issue 4030 - Move JNI bindings into separate library project

build.xml

Index: build.xml
===================================================================
--- a/build.xml
+++ b/build.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project name="Adblock Plus" default="help">
+<project name="Adblock Plus App" default="help">
 
     <!-- The local.properties file is created and updated by the 'android' tool.
          It contains the path to the SDK. It should *NOT* be checked into
          Version Control Systems. -->
     <property file="local.properties" />
 
     <!-- The ant.properties file can be created by you. It is only edited by the
          'android' tool to add properties to it.
@@ -38,40 +38,31 @@
          This file is an integral part of the build system for your
          application and should be checked into Version Control Systems. -->
     <loadproperties srcFile="project.properties" />
 
     <fail
         message="sdk.dir is missing. Make sure to generate specify it in local.properties or to inject it through an env var"
         unless="sdk.dir"
     />
-    <fail
-        message="ndk.dir is missing. Make sure to generate specify it in local.properties or to inject it through an env var"
-        unless="ndk.dir"
-    />
 
     <target name="-check-env">
         <checkenv />
         <exec executable="${sdk.dir}/tools/android" failonerror="true">
             <arg line="update lib-project --target android-14 --path submodules/actionbarsherlock/library"/>
         </exec>
         <exec executable="${sdk.dir}/tools/android" failonerror="true">
             <arg line="update lib-project --target android-7 --path submodules/android-switch-backport"/>
         </exec>
-    </target>
-
-    <target name="jni" description="Compiles and builds NDK libraries.">
-        <exec executable="${ndk.dir}/ndk-build" failonerror="true" />
-    </target>
-
-    <target name="-pre-build" depends="jni">
+        <exec executable="${sdk.dir}/tools/android" failonerror="true">
+            <arg line="update lib-project --target android-14 --path submodules/libadblockplus-android/libadblockplus-android"/>
+        </exec>
     </target>
 
     <target name="-pre-clean">
-        <delete dir="${native.libs.absolute.dir}/armeabi" verbose="${verbose}" />
         <delete dir="obj/" verbose="${verbose}" />
     </target>
 
     <!-- Import the actual build file.
 
          To customize existing targets, there are two options:
          - Customize only one target:
              - copy/paste the target into this file, *before* the