Preload media period not prepared when onContinueLoadingRequested is called

Version

Media3 1.5.1

More version details

无

Devices that reproduce the issue

Android14 Redmi Note 13 Pro 5G

Devices that do not reproduce the issue

都复现

Reproducible in the demo app?

No

Reproduction steps

无

Expected result

无奔溃

Actual result

Fatal Exception: java.lang.IllegalStateException:
       at androidx.media3.common.util.Assertions.checkState(Assertions.java:85)
       at androidx.media3.exoplayer.source.ProgressiveMediaPeriod.assertPrepared(ProgressiveMediaPeriod.java:999)
       at androidx.media3.exoplayer.source.ProgressiveMediaPeriod.getBufferedPositionUs(ProgressiveMediaPeriod.java)
       at androidx.media3.exoplayer.source.preload.PreloadMediaPeriod.getBufferedPositionUs(PreloadMediaPeriod.java:264)
       at androidx.media3.exoplayer.source.preload.PreloadMediaSource$PreloadMediaPeriodCallback.lambda$onContinueLoadingRequested$1(PreloadMediaSource.java:508)
       at android.os.Handler.handleCallback(Handler.java:883)
       at android.os.Handler.dispatchMessage(Handler.java:100)
       at android.os.Looper.loop(Looper.java:224)
       at android.app.ActivityThread.main(ActivityThread.java:7562)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)

[com.android.thememanager_issue_2947d0273e7f29d94ddff2a6db7b788f_crash_session_67EE316A008700017C745A594FC6525D_DNE_0_v2_stacktrace.txt](https://github.com/user-attachments/files/19643871/com.android.thememanager_issue_2947d0273e7f29d94ddff2a6db7b788f_crash_session_67EE316A008700017C745A594FC6525D_DNE_0_v2_stacktrace.txt)

Media

无

Bug Report

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