Fix scrubber not reappearing correctly in some cases

Issue: #8646
#minor-release
PiperOrigin-RevId: 360184586

RELEASENOTES.md

@@ -37,6 +37,9 @@
         video tracks (previously separate acquire and release events were
         dispatched for each track in each period).
     *   Include the session state in DRM session-acquired listener methods.
+*   UI
+    *   Fix `StyledPlayerView` scrubber not reappearing correctly in some cases
+        ([#8646](https://github.com/google/ExoPlayer/issues/8646)).
 *   MediaSession extension: Remove dependency to core module and rely on common
     only. The `TimelineQueueEditor` uses a new `MediaDescriptionConverter` for
     this purpose and does not rely on the `ConcatenatingMediaSource` anymore.

library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlViewLayoutManager.java

@@ -607,7 +607,7 @@ import java.util.List;
           defaultTimeBar.hideScrubber(/* disableScrubberPadding= */ true);
         } else if (uxState == UX_STATE_ONLY_PROGRESS_VISIBLE) {
           defaultTimeBar.hideScrubber(/* disableScrubberPadding= */ false);
-        } else if (uxState != UX_STATE_ANIMATING_HIDE && uxState != UX_STATE_ANIMATING_SHOW) {
+        } else if (uxState != UX_STATE_ANIMATING_HIDE) {
           defaultTimeBar.showScrubber();
         }
       }