Copyright for libyuv source package in Huanghe V3.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libyuv
Source: https://chromium.googlesource.com/libyuv/libyuv/

Files: *
Copyright: 2011 The LibYuv Project Authors
License: BSD-3-Clause
Comment:
 Additional IP Rights Grant (Patents)
 .
 "This implementation" means the copyrightable works distributed by
 Google as part of the LibYuv code package.
 .
 Google hereby grants to you a perpetual, worldwide, non-exclusive,
 no-charge, irrevocable (except as stated in this section) patent
 license to make, have made, use, offer to sell, sell, import,
 transfer, and otherwise run, modify and propagate the contents of this
 implementation of the LibYuv code package, where such license applies
 only to those patent claims, both currently owned by Google and
 acquired in the future, licensable by Google that are necessarily
 infringed by this implementation of the LibYuv code package. This
 grant does not include claims that would be infringed only as a
 consequence of further modification of this implementation. If you or
 your agent or exclusive licensee institute or order or agree to the
 institution of patent litigation against any entity (including a
 cross-claim or counterclaim in a lawsuit) alleging that this
 implementation of the LibYuv code package or any code incorporated
 within this implementation of the LibYuv code package constitutes
 direct or contributory patent infringement, or inducement of patent
 infringement, then any patent rights granted to you under this License
 for this implementation of the LibYuv code package shall terminate as
 of the date such litigation is filed.

Files: debian/*
Copyright: Boyuan Yang 
License: public-domain
 These files are release to the public domain.

Files: infra/config/PRESUBMIT.py
Copyright: 2018 The PDFium Authors
License: BSD-3-Clause

License: BSD-3-Clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
 .
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
 .
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
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   * Neither the name of Google nor the names of its contributors may
     be used to endorse or promote products derived from this software
     without specific prior written permission.
 .
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