Issue 4031 - Implement tests for libadblockplus-android

libadblockplus-android-tests/build.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project name="Adblock Plus Library Tests" 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.
@@ skipping 10 matching lines @@
 
          Properties related to the SDK location or the project target should
          be updated using the 'android' tool with the 'update' action.
 
          This file is an integral part of the build system for your
          application and should be checked into Version Control Systems.
 
          -->
     <property file="ant.properties" />
 
-    <!-- if sdk.dir was not set from one of the property file, then
+    <!-- if sdk.dir was not set from one of the property files, then
          get it from the ANDROID_HOME env var.
          This must be done before we load project.properties since
          the proguard config can use sdk.dir -->
     <property environment="env" />
     <condition property="sdk.dir" value="${env.ANDROID_HOME}">
         <isset property="env.ANDROID_HOME" />
     </condition>
 
     <!-- The project.properties file is created and updated by the 'android'
          tool, as well as ADT.
@@ skipping 41 matching lines @@
          ***********************
          ****** IMPORTANT ******
          ***********************
          In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
          in order to avoid having your file be overridden by tools such as "android update project"
     -->
     <!-- version-tag: 1 -->
     <import file="${sdk.dir}/tools/ant/build.xml" />
 
 </project>