Merge pull request #10549 from ferhatparmak:release-requirementswatcher

PiperOrigin-RevId: 472488921
(cherry picked from commit 92cfa746)

library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java

@@ -531,6 +531,7 @@ public final class DownloadManager {
         Thread.currentThread().interrupt();
         Thread.currentThread().interrupt();
       }
       }
       applicationHandler.removeCallbacksAndMessages(/* token= */ null);
       applicationHandler.removeCallbacksAndMessages(/* token= */ null);
+      requirementsWatcher.stop();
       // Reset state.
       // Reset state.
       downloads = Collections.emptyList();
       downloads = Collections.emptyList();
       pendingMessages = 0;
       pendingMessages = 0;