docs(ui): Correct receiver IDs in the UI tutorial

Closes #2926

Change-Id: If535dc03f585ba3d7b6b504454dc920e822aabc4

Author: joeyparrish

docs/tutorials/ui.md

@@ -30,7 +30,7 @@ Set up controls with HTML data attributes:
          The data-shaka-player-cast-receiver-id tag allows you to provide a Cast Application ID that
            the cast button will cast to; the value provided here is the sample cast receiver. -->
     <div data-shaka-player-container style="max-width:40em"
-         data-shaka-player-cast-receiver-id="7B25EC44">
+         data-shaka-player-cast-receiver-id="930DEB06">
        <!-- The data-shaka-player tag will make the UI library use this video element.
             If no video is provided, the UI will automatically make one inside the container div. -->
       <video autoplay data-shaka-player id="video" style="width:100%;height:100%"></video>
@@ -111,7 +111,7 @@ set up a listener for the 'caststatuschanged' events.
 <!-- Add a data-shaka-player-cast-receiver-id tag to provide a Cast Application ID that
            the cast button will cast to; the value provided here is the sample cast receiver. -->
     <div data-shaka-player-container style="max-width:40em"
-         data-shaka-player-cast-receiver-id="A15A181D">
+         data-shaka-player-cast-receiver-id="930DEB06">
     </div>
 ```
 
@@ -137,7 +137,7 @@ or a `<source>` tag inside it to enable auto loading of the specified content.
 
 ```html
     <div data-shaka-player-container style="max-width:40em"
-         data-shaka-player-cast-receiver-id="7B25EC44">
+         data-shaka-player-cast-receiver-id="930DEB06">
       <!-- The manifest url in the src attribute will be automatically loaded -->
       <video autoplay data-shaka-player id="video" style="width:100%;height:100%"
        src="https://storage.googleapis.com/shaka-demo-assets/angel-one/dash.mpd"></video>
@@ -148,7 +148,7 @@ or
 
 ```html
     <div data-shaka-player-container style="max-width:40em"
-         data-shaka-player-cast-receiver-id="7B25EC44">
+         data-shaka-player-cast-receiver-id="930DEB06">
       <video autoplay data-shaka-player id="video" style="width:100%;height:100%">
         <!-- The manifest url in the src attribute will be auto loaded -->
        <source src="https://storage.googleapis.com/shaka-demo-assets/angel-one/dash.mpd"/>
@@ -161,7 +161,7 @@ call to the first one fails.
 
 ```html
     <div data-shaka-player-container style="max-width:40em"
-         data-shaka-player-cast-receiver-id="7B25EC44">
+         data-shaka-player-cast-receiver-id="930DEB06">
       <video autoplay data-shaka-player id="video" style="width:100%;height:100%">
         <!-- Try this first -->
         <source src="https://storage.googleapis.com/shaka-demo-assets/angel-one/dash.mpd"/>