Media3 Version

1.0.0-beta02

Devices that reproduce the issue

Samsung Galaxy Note 9 with Android 10, Soundcore Spirit BT Headset

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

Yes

Reproduction steps

1. Start a song in the Session Demo app
2. send app to background
3. stop playback and dismiss notification
4. press start/pause on BT Headset - playback starts
5. press start/pause on BT Headset - nothing happens
6. press start/pause on BT Headset - playback pauses

Expected result

Playback should pause when pressing the play/pause button for the first time on the BT headset

Actual result

Playback only pauses when pressing the play/pause button twice on the BT headset

Media

Any media from the session demo app

Bug Report

• You will email the zip file produced by adb bugreport to dev.exoplayer@gmail.com after filing this issue.