Test script with jsInitialPingDelay set to 50ms

Author: CrisBarreiro

overrides/android-override.json

@@ -3191,7 +3191,7 @@
             "state": "enabled",
             "exceptions": [],
             "settings": {
-                "jsInitialPingDelay": 20,
+                "jsInitialPingDelay": 50,
                 "initialPingDelay": 0
             },
             "features": {