Reland "Roll fontconfig to 311f6caaa8ad251b04127b4cf394b2116ad81879"

This is a reland of commit 937a62bcd519fff02233a97b00a5953ffd262186

Original change's description:
> Roll fontconfig to 311f6caaa8ad251b04127b4cf394b2116ad81879
>
> R=drott
>
> Change-Id: I72b9336086fd176d31287431b9eb9ddd33cb88d6
> Bug: 1410562
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4226037
> Reviewed-by: Dominik Röttsches <drott@chromium.org>
> Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1103694}

Bug: 1410562
Change-Id: Ic34b83e4448ac9be4e2d3070181e5f896ea8b241
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4251898
Commit-Queue: Dominik Röttsches <drott@chromium.org>
Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Dominik Röttsches <drott@chromium.org>
Reviewed-by: Peter Collingbourne <pcc@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1105542}
NOKEYCHECK=True
GitOrigin-RevId: 2ccb324116a5238efab84c606c74b4a680d6bd23