Revert "strip down SkICC.cpp"

This reverts commit eab50eb9c6117c2a9d0e5648f89cebbb4dbd9d30
and this tiny bit of e61b969a07ba3ebe9e47e61381ad16c5d2c549a2:

    https://skia-review.googlesource.com/c/skia/+/127122/3/tests/ICCTest.cpp

Change-Id: I4306e5118a4e5eb88c05078186a28bd443fd76f7
Reviewed-on: https://skia-review.googlesource.com/127305
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
5 files changed