Fix resume broken for devices which do HLS natively

This includes mobile Chrome, Android WebView and probably some Apple devices

src/components/htmlvideoplayer/plugin.js

@@ -506,6 +506,12 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
             var seconds = (options.playerStartPositionTicks || 0) / 10000000;
             if (seconds) {
                 val += '#t=' + seconds;
+                // update video player position when file is ready
+                var onMetadataLoaded = function() {
+                    elem.removeEventListener("loadedmetadata", onMetadataLoaded);
+                    elem.currentTime = seconds;
+                };
+                elem.addEventListener("loadedmetadata", onMetadataLoaded);
             }
 
             htmlMediaHelper.destroyHlsPlayer(self);