While debugging https://crbug.com/1195144 I found it useful to clarify this log statement. The log would say "When scaling [kNative], the image was unexpectedly converted to [kI420]..." but not saying what it was trying to convert it to. This CL adds: "... instead of [kNV12]." Bug: chromium:1195144 Change-Id: I13e0040edf5d7d98d80ce674812f67dfb73be36e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/214040 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33634}