Chronos exporter: Updated site's image link

Change-Id: I5d2f3fac6194b18f05e32d19f2382c5efd0f700a
diff --git a/chronos-exporter/files/configs/demo-configuration.yaml b/chronos-exporter/files/configs/demo-configuration.yaml
index 15d474e..39758e6 100644
--- a/chronos-exporter/files/configs/demo-configuration.yaml
+++ b/chronos-exporter/files/configs/demo-configuration.yaml
@@ -8,7 +8,7 @@
 sites:
   - site-id: freemont
     display-name: Freemont, CA
-    image: chronos-exporter/images/los-angeles-us.png
+    image: /chronos-exporter/images/los-angeles-us.png
     small-cells:
       - small-cell-id: freemont-sc-north
         display-name: North Cell
@@ -354,7 +354,7 @@
         display-name: Sim 1f
   - site-id: bengaluru
     display-name: Bengaluru, INDIA
-    image: chronos-exporter/images/bengaluru-india.png
+    image: /chronos-exporter/images/bengaluru-india.png
     small-cells:
       - small-cell-id: bengaluru-north
         display-name: North Cell