Removing whitespaces from build.xml and script (#3280)

* Removing whitespaces from download-junit-jars.sh

* Removing whitespaces from build.xml

java/build.xml

@@ -34,10 +34,10 @@
   </path>
 
   <target name="download-jars">
-  	<!-- Execute the shell script to download junit and mockito jars -->
-	  <exec executable="sh" dir="${script.dir}">
-		 <arg value="${script.name}"/>
-	  </exec>
+    <!-- Execute the shell script to download junit and mockito jars -->
+    <exec executable="sh" dir="${script.dir}">
+      <arg value="${script.name}"/>
+    </exec>
   </target>
 
   <target name="build-phone-metadata">

java/script/download-junit-jars.sh

@@ -22,5 +22,5 @@ download_jar "JUnit" "junit-$junit_version.jar" "https://repo1.maven.org/maven2/
 download_jar "Mockito" "mockito-all-$mockito_version.jar" "https://repo1.maven.org/maven2/org/mockito/mockito-all/$mockito_version/mockito-all-$mockito_version.jar"
 
 # Run the mvn install command for the Snapshot jars
-cd ../ 
+cd ../
 mvn clean install