Revert "Manual revert: Add support for writing ICC profiles to webp encoder"

Revert "Manual revert: Add support for writing ICC profiles to webp encoder"

This reverts commit 4293a1e5f259cf12560d6e794c1a05ad4dbc0b32.

Reason for revert: Relanding, libwebp updated in Android master

Original change's description:
> Manual revert: Add support for writing ICC profiles to webp encoder
>
> Bug: skia:
> Change-Id: I4e70bee8c2ea8dbd5ae1e84aa097f5a7e2e62721
> Reviewed-on: https://skia-review.googlesource.com/11444
> Reviewed-by: Matt Sarett <msarett@google.com>
> Reviewed-by: Leon Scroggins <scroggo@google.com>
> Commit-Queue: Matt Sarett <msarett@google.com>
>

TBR=msarett@google.com,scroggo@google.com,reviews@skia.org,jzern@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I73aa9e8183241ada4ec6451567bce3d3d18995cc
Reviewed-on: https://skia-review.googlesource.com/11523
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>