Update OLT app name to org.opencord.olt - consistent with other apps.

Change-Id: I71648a082e7ff775c9d8cd174b09826cc22764e4
diff --git a/app/app.xml b/app/app.xml
index 5d912fa..dc697ed 100644
--- a/app/app.xml
+++ b/app/app.xml
@@ -14,7 +14,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<app name="org.onosproject.olt" origin="ON.Lab" version="${project.version}"
+<app name="org.opencord.olt" origin="ON.Lab" version="${project.version}"
      category="Traffic Steering" url="http://onosproject.org" title="Optical Line Terminal App"
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
      features="${project.artifactId}" apps="org.opencord.config">