This reverts commit e2f6ffbf49.
Reason for revert:
iOS build failures, see https://luci-milo.appspot.com/swarming/task/33e5e02cf8419d10/steps/build_iOSShell/0/stdout
Original change's description:
> Update libwebp to 0.6.0-pre
>
> Corresponds with Android change
> https://android-review.googlesource.com/#/c/326439/
>
> "this prerelease snapshot includes encoder and performance
> improvements"
>
> Update build file
> * Many files have been renamed from
> src/<subdir>/<name>.c
> to
> src/<subdir>/<name>_<subdir>.c
>
> * Build new files (*_msa.c, *_neon.c, predictor_enc.c)
>
> This should fix issue 5876, which was caused by a compiler bug.
> With the added NEON implementation, we will no longer trigger
> the bug.
>
> BUG=skia:5876
>
> Change-Id: I0fcce4362ee70138547b1d23aa9ef537a4126e73
> Reviewed-on: https://skia-review.googlesource.com/7376
> Reviewed-by: Matt Sarett <msarett@google.com>
> Commit-Queue: Leon Scroggins <scroggo@google.com>
>
TBR=msarett@google.com,scroggo@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:5876
Change-Id: Ib81f63861d9f1c6936bd7f790b5e16a9544a4df0
Reviewed-on: https://skia-review.googlesource.com/7420
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
ab23acf4fa