[includes] Remove SkColorSpace include from SkImageInfo

See also https://skia-review.googlesource.com/c/skia/+/525639

This should be landed when clients have been fixed.
 - https://github.com/flutter/engine/pull/32532
 - https://github.com/flutter/engine/pull/32382
 - http://cl/438808657
 - http://cl/438803822
 - http://cl/438807456
 - http://cl/438808026
 - http://cl/438821192
 - https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17542295

Change-Id: I04beeb2e2b6132c40508c98f4f281981dadbb0d4
Bug: skia:13052
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/526416
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
14 files changed