Extend I420 frame buffer pool to also create NV12 buffers

Bug: webrtc:11956
Change-Id: I758a28f2755cfa72ad486fbe1f9209f356eb5fa1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/184510
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32147}
diff --git a/modules/video_processing/video_denoiser.cc b/modules/video_processing/video_denoiser.cc
index 40568a5..3a18125 100644
--- a/modules/video_processing/video_denoiser.cc
+++ b/modules/video_processing/video_denoiser.cc
@@ -235,7 +235,7 @@
   const uint8_t* y_src = frame->DataY();
   int stride_y_src = frame->StrideY();
   rtc::scoped_refptr<I420Buffer> dst =
-      buffer_pool_.CreateBuffer(width_, height_);
+      buffer_pool_.CreateI420Buffer(width_, height_);
 
   uint8_t* y_dst = dst->MutableDataY();
   int stride_y_dst = dst->StrideY();