Moving maven repo to https

Change-Id: I589859dbf2db81cab75d8e00d8036ee704b65468
diff --git a/app/pom.xml b/app/pom.xml
index af4b192..2c16e82 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -160,7 +160,7 @@
         <repository>
             <id>central</id>
             <name>Central Repository</name>
-            <url>http://repo.maven.apache.org/maven2</url>
+            <url>https://repo.maven.apache.org/maven2</url>
             <layout>default</layout>
             <snapshots>
                 <enabled>false</enabled>