tree bafc6c76d7256f6ce8880fcaf05f1cc6aab9b129
parent 26f4aa01153d7bdf182630e5eb410ea5685d9cff
author James Zern <jzern@google.com> 1626463014 -0700
committer James Zern <jzern@google.com> 1626463173 -0700

wicdec: support alpha from WebP WIC decoder

the container check may not be strictly necessary now that the alpha
check has matured and the library will detect usable alpha, but it's
safer to fix this case first before making larger changes.

Bug: webp:533
Change-Id: I2e1ba42156970d579a52bd183707a037e65fd900