I can't start MovieActivity

hi google developer. @bentrengrove @tnorbye @pflammertsma @DanAlbert I have issue, pls help me fix it. thanks a lot. it happens on some device like sony pixel 1 II, oppo ... with andorid 12. please watch the video
Step:
1: Open app and move to MovieActivity
2. Enter the PIP . state3.
3. Out the PIP . state , back Full screen (MovieActivity)4.
4 . Back to MainActivity
5. Close PIP

6. Tab button start MovieActivity, but have issue

https://github.com/android/media-samples/assets/83394685/4bcfe6b8-b98d-47b6-b6d9-a65b62fb92af

Start by running the sample and reproducing the reported sequence through MovieActivity, PIP, MainActivity, and closing PIP on Android 12. Use the linked video to compare the failure, then verify that tapping the button starts MovieActivity normally after PIP is closed on the affected devices.

Written by the indexing model from the issue text.