Revert "Revert "Add kRGBX_8888, kRGBA_1010102, and kRGBX_1010102 color types. Unused for now.""

This reverts commit 73137ff6ba51b3f329d0da9e50a312c4cedee32c.

No-Tree-Checks: true
No-Try: true
No-Presubmit: true
Bug: chromium:779428
Change-Id: I33ab6e3d5be79f3f97e14c50bfb632ca5126756e
Reviewed-on: https://skia-review.googlesource.com/103441
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
9 files changed