Add externalAnnotations ant test and ant-1.8

compiler/integration-tests/testData/externalAnnotations/build.xml

@@ -0,0 +1,23 @@
+<project name="Ant Task Test" default="build">
+
+  <path id="classpath">
+    <fileset dir="${idea.sdk}/lib" includes="annotations.jar"/>
+    <fileset dir="${kotlin.home}" includes="kotlin-runtime.jar"/>
+  </path>
+
+  <typedef name = "withKotlin" classname = "org.jetbrains.jet.buildtools.ant.KotlinCompilerAdapter"/>
+
+  <target name="build">
+      <delete dir="${temp}/classes" failonerror="false"/>
+      <mkdir dir="${temp}/classes"/>
+      <javac destdir="${temp}/classes" includeAntRuntime="false" srcdir="${test.data}/root1">
+        <classpath refid="classpath"/>
+        <withKotlin externalannotations="${test.data}/root1/b/">
+          <externalannotations path="${test.data}/root1/a/" />
+        </withKotlin>
+      </javac>
+      <jar destfile="${temp}/hello.jar">
+        <fileset dir="${temp}/classes"/>
+      </jar>
+  </target>
+</project>