Release app version 5.2.2 with API version 5.2.2

Change-Id: I7e1f8f2f959abe4695e1558a4ecec25f32d7f306
diff --git a/api/pom.xml b/api/pom.xml
index 68fef0e..9af4467 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>olt</artifactId>
         <groupId>org.opencord</groupId>
-        <version>5.2.1</version>
+        <version>5.2.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>