[DevTools] Sorts colors descending by luminance
[DevTools] Sorts colors descending by luminance

Change-Id: Ibe628e70b3d53db9ca132378c2da2ac42cd7746c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1847337
Commit-Queue: Paul Lewis <8915f5d5c39a08c5a3e8a8d7314756e4580816f9@chromium.org>
Reviewed-by: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#704570}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a755f70431371a3f37046067253f33758d4b4ed5

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend