Rename VideoReceiveStream to VideoReceiveStreamInterface

Bug: webrtc:7484
Change-Id: I653cfe46486e0396897dd333069a894d67e3c07b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262769
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36958}

modules/video_coding/video_receiver2.h

@@ -45,7 +45,7 @@ class VideoReceiver2 {
   int32_t Decode(const webrtc::VCMEncodedFrame* frame);
 
   // Notification methods that are used to check our internal state and validate
-  // threading assumptions. These are called by VideoReceiveStream.
+  // threading assumptions. These are called by VideoReceiveStreamInterface.
   // See `IsDecoderThreadRunning()` for more details.
   void DecoderThreadStarting();
   void DecoderThreadStopped();