Fix a bug in barcode_decoder.py
Fix a bug in barcode_decoder.py

When converting from a .y4m file, it's illegal to pass a video_size
option since the resolution is already contained in the .y4m file.

TBR=phoglund@webrtc.org
NOTRY=TRUE

Bug: webrtc:9642
Change-Id: Iee7d2ba1332c45a1669af0fba43b0c3e7ce5846b
Reviewed-on: https://webrtc-review.googlesource.com/95949
Reviewed-by: Magnus Jedvert <9507adee858471ab168c339dc72b814b168c081b@webrtc.org>
Commit-Queue: Magnus Jedvert <9507adee858471ab168c339dc72b814b168c081b@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#24431}
ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc