Update capturer.html

Author: eladalon1983

identity/demos/remote_control/capturer.html

@@ -114,7 +114,7 @@ <h1 style="text-align: center">Remote Control using Capture Handle Demo</h1>
           video.srcObject = stream;
           let [track] = stream.getVideoTracks();
           track.oncapturehandlechange = (event) => {
-            captureHandle = newVersion ? event.captureHandle() : event.captureHandle;
+            captureHandle = newVersion ? event.target.getCaptureHandle() : event.captureHandle;
           };
           captureHandle = getCaptureHandle(stream);
           if (!!track.focus && captureHandle) {