Default `SingleSampleMediaSource.treatLoadErrorsAsEndOfStream` to true

Issue: #8430
PiperOrigin-RevId: 351971671

RELEASENOTES.md

@@ -119,6 +119,8 @@
     *   Remove `ExoPlaybackException.OutOfMemoryError`.
     *   Remove `setVideoDecoderOutputBufferRenderer` from Player API. Clients
         should use `setOutputSurface` directly instead.
+    *   Default `SingleSampleMediaSource.treatLoadErrorsAsEndOfStream` to `true`
+        ([#8430](https://github.com/google/ExoPlayer/issues/8430)).
 *   Extractors:
     *   Populate codecs string for H.264/AVC in MP4, Matroska and FLV streams to
         allow decoder capability checks based on codec profile/level

library/core/src/main/java/com/google/android/exoplayer2/source/SingleSampleMediaSource.java

@@ -55,6 +55,7 @@ public final class SingleSampleMediaSource extends BaseMediaSource {
     public Factory(DataSource.Factory dataSourceFactory) {
       this.dataSourceFactory = checkNotNull(dataSourceFactory);
       loadErrorHandlingPolicy = new DefaultLoadErrorHandlingPolicy();
+      treatLoadErrorsAsEndOfStream = true;
     }
 
     /**
@@ -118,7 +119,7 @@ public final class SingleSampleMediaSource extends BaseMediaSource {
 
     /**
      * Sets whether load errors will be treated as end-of-stream signal (load errors will not be
-     * propagated). The default value is false.
+     * propagated). The default value is true.
      *
      * @param treatLoadErrorsAsEndOfStream If true, load errors will not be propagated by sample
      *     streams, treating them as ended instead. If false, load errors will be propagated