Transformer Demo: Add 8k24fps video option.

This can help allow Transformer be more aware of issues in high-res videos.

PiperOrigin-RevId: 437313282

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

@@ -61,6 +61,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
     "https://storage.googleapis.com/exoplayer-test-media-0/BigBuckBunny_320x180.mp4",
     "https://html5demos.com/assets/dizzy.webm",
     "https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_4k60.mp4",
+    "https://storage.googleapis.com/exoplayer-test-media-1/mp4/8k24fps_4s.mp4",
   };
   private static final String[] URI_DESCRIPTIONS = { // same order as INPUT_URIS
     "MP4 with H264 video and AAC audio",
@@ -68,6 +69,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
     "Long MP4 with H264 video and AAC audio",
     "WebM with VP8 video and Vorbis audio",
     "4K 60fps MP4 with H264 video and AAC audio (portrait, timestamps always increase)",
+    "8k 24fps MP4 with H265 video and AAC audio",
   };
   private static final String SAME_AS_INPUT_OPTION = "same as input";