Fix byte streams not sending the name of the bytestream (#939)

Author: davidliu

.changeset/selfish-fireants-breathe.md

@@ -0,0 +1,5 @@
+---
+"client-sdk-android": patch
+---
+
+Fix byte streams not sending the name of the bytestream

livekit-android-sdk/src/main/java/io/livekit/android/room/datastream/outgoing/OutgoingDataStreamManager.kt

@@ -133,7 +133,9 @@ constructor(
                     is ByteStreamInfo -> {
                         this.mimeType = info.mimeType
                         this.byteHeader = with(DataStream.ByteHeader.newBuilder()) {
-                            this.name = name
+                            if (info.name != null) {
+                                this.name = info.name
+                            }
                             build()
                         }
                     }

livekit-android-test/src/test/java/io/livekit/android/room/datastream/RoomOutgoingDataStreamMockE2ETest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2025 LiveKit, Inc.
+ * Copyright 2023-2026 LiveKit, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -82,6 +82,7 @@ class RoomOutgoingDataStreamMockE2ETest : MockE2ETest() {
 
         with(headerPacket.streamHeader) {
             assertTrue(hasByteHeader())
+            assertEquals("stream_name", byteHeader.name)
         }
 
         val payloadPacket = LivekitModels.DataPacket.parseFrom(ByteString.copyFrom(buffers[1].data))