Update demo HDR10 video URL

The old URL doesn't correctly signal the HDR10 color info in the container.

The new URL signals ST2084 (PQ) transfer function and BT.2020 color space as expected.

PiperOrigin-RevId: 461560107
(cherry picked from commit 794e366b)

demos/transformer/src/main/java/androidx/media3/demo/transformer/ConfigurationActivity.java

@@ -80,7 +80,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
     "https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_rotated_avc_aac.mp4",
     "https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_rotated_avc_aac.mp4",
     "https://storage.googleapis.com/exoplayer-test-media-1/mp4/slow-motion/slowMotion_stopwatch_240fps_long.mp4",
     "https://storage.googleapis.com/exoplayer-test-media-1/mp4/slow-motion/slowMotion_stopwatch_240fps_long.mp4",
     "https://storage.googleapis.com/exoplayer-test-media-1/gen/screens/dash-vod-single-segment/manifest-baseline.mpd",
     "https://storage.googleapis.com/exoplayer-test-media-1/gen/screens/dash-vod-single-segment/manifest-baseline.mpd",
-    "https://storage.googleapis.com/exoplayer-test-media-1/mp4/samsung-hdr-hdr10.mp4",
+    "https://storage.googleapis.com/exoplayer-test-media-1/mp4/samsung-s21-hdr-hdr10.mp4",
   };
   };
   private static final String[] URI_DESCRIPTIONS = { // same order as INPUT_URIS
   private static final String[] URI_DESCRIPTIONS = { // same order as INPUT_URIS
     "720p H264 video and AAC audio",
     "720p H264 video and AAC audio",