Attaching compiler service to YangLiveCompiler.

Change-Id: I6df424c8e424f9395be6e2d08c1f686947422f41
diff --git a/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java b/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java
index 322bd94..00188ee 100644
--- a/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java
+++ b/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java
@@ -28,6 +28,7 @@
 import org.onosproject.yang.compiler.api.YangCompiledOutput;
 import org.onosproject.yang.compiler.api.YangCompilerException;
 import org.onosproject.yang.compiler.api.YangCompilerService;
+import org.onosproject.yang.compiler.tool.YangCompilerManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -60,8 +61,6 @@
     @Override
     public YangCompiledOutput compileYangFiles(YangCompilationParam param)
             throws IOException, YangCompilerException {
-        // TODO : uncomment when yang tools new version is released.
-        //return new YangCompilerManager().compileYangFiles(param);
-        return null;
+        return new YangCompilerManager().compileYangFiles(param);
     }
 }