ANR when release media session in main thread

Version

Media3 1.1.1

More version details

This is reported for 1.2.0-beta01.

Devices that reproduce the issue

Android 11, Haier TV, Changhong TV.
Application is in background.

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

Yes

Reproduction steps

The Firebase Crashlytics reports this ANR:

main (native):tid=1 systid=6234
#00 pc 0x5ddec libc.so (syscall + 28)
#01 pc 0x130dd9 libart.so (art::ConditionVariable::WaitHoldingLocks(art::Thread*) + 88)
#02 pc 0x4d8c33 libart.so (art::GoToRunnable(art::Thread*) + 342)
#03 pc 0x4d8ab5 libart.so (art::JniMethodEnd(unsigned int, art::Thread*) + 8)
at android.os.BinderProxy.transactNative(Native method)
at android.os.BinderProxy.transact(BinderProxy.java:540)
at android.media.session.ISession$Stub$Proxy.destroySession(ISession.java:547)
at android.media.session.MediaSession.release(MediaSession.java:408)
at android.support.v4.media.session.MediaSessionCompat$MediaSessionImplApi21.release(MediaSessionCompat.java:4037)
at android.support.v4.media.session.MediaSessionCompat.release(MediaSessionCompat.java:773)
at androidx.media3.session.MediaSessionLegacyStub.release(MediaSessionLegacyStub.java:279)
at androidx.media3.session.MediaSessionImpl.release(MediaSessionImpl.java:314)
at androidx.media3.session.MediaSession.release(MediaSession.java:722)
at com.yuriy.openradio.shared.service.OpenRadioService.onDestroy(OpenRadioService.kt:254)
at android.app.ActivityThread.handleStopService(ActivityThread.java:4355)
at android.app.ActivityThread.access$1900(ActivityThread.java:237)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1956)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)

Expected result

I am not sure whether or not session should be release on main thread. Please correct the documentation if necessary.

Actual result

ANR when media session release.

Media

No specific media.

Bug Report

• You will email the zip file produced by adb bugreport to android-media-github@google.com after filing this issue.