URL: https://chromium.googlesource.com/webm/libwebm
Version: af81f26025b7435fa9a14ad07c58b44cf9280430
License: BSD
License File: LICENSE.txt

Description:
libwebm is used to handle WebM container I/O.

Local Changes:
Add av1 codec as an eligible codec for webm:
 https://aomedia-review.googlesource.com/c/aom/+/15103
Only keep:
 - Android.mk
 - AUTHORS.TXT
 - common/
    file_util.cc/h
    hdr_util.cc/h
    webmids.h
 - LICENSE.TXT
 - mkvmuxer/
 - mkvparser/
 - PATENTS.TXT