Force PlayReady license URL

The media specifies a URL that uses http rather than https, which the
demo app doesn't permit by default. The URL here is the same except it
uses https instead.

#minor-release

PiperOrigin-RevId: 348445571

demos/main/src/main/assets/media.exolist.json

@@ -251,7 +251,9 @@
       {
         "name": "Super speed (MP4, H264, PlayReady)",
         "uri": "https://playready.directtaps.net/smoothstreaming/SSWSS720H264PR/SuperSpeedway_720.ism/Manifest",
-        "drm_scheme": "playready"
+        "drm_scheme": "playready",
+        "drm_license_uri": "https://playready.directtaps.net/pr/svc/rightsmanager.asmx",
+        "drm_force_default_license_uri": true
       }
     ]
   },