URL: https://chromium.googlesource.com/webm/libwebm
Version: 1930e3ca23b007f3ff11d98a570077be6201957e
License: BSD
License File: LICENSE.TXT

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

Local Changes:
Only keep:
 - Android.mk
 - AUTHORS.TXT
 - common/
    file_util.cc/h
    hdr_util.cc/h
    webmids.h
 - LICENSE.TXT
 - mkvmuxer/
 - mkvparser/
 - PATENTS.TXT
- use -std=gnu++11 in Android.mk (https://crbug.com/webm/1708)
