ui/gpu: Initialize lcd config in the gpu process.

With skia running in the gpu process with oop raster, SkFontLCDConfig
needs to be initialized here in addition to the renderer process.

R=derat@chromium.org, piman@chromium.org

Bug: 829622
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
Change-Id: I1ac12febd66b05a888f3795033be1f83a229a983
Reviewed-on: https://chromium-review.googlesource.com/1069725
Commit-Queue: Khushal <khushalsagar@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#562324}

• components/viz/service/main/viz_main_impl.cc[diff]
• components/viz/service/main/viz_main_impl.h[diff]
• content/browser/browser_main_loop.cc[diff]
• content/browser/gpu/gpu_process_host.cc[diff]
• content/browser/gpu/gpu_process_host.h[diff]
• services/ui/ws/gpu_host.cc[diff]
• services/viz/privileged/interfaces/BUILD.gn[diff]
• services/viz/privileged/interfaces/viz_main.mojom[diff]
• ui/gfx/font_render_params_win.cc[diff]
• ui/gfx/mojo/BUILD.gn[diff]
• ui/gfx/mojo/font_render_params.mojom[Added - diff]
• ui/gfx/mojo/font_render_params.typemap[Added - diff]
• ui/gfx/mojo/font_render_params_struct_traits.h[Added - diff]
• ui/gfx/typemaps.gni[diff]