roll gn to latest

Nice periodically, and this version also has a Mac arm64 binary.

Refine a few visibility rules from ":*" (any target in this file)
to "./*" (any target in any .gn file anywhere under this directory).

Use frameworks over libs where now required.

Change-Id: Ic19e1533e2810d18ae4684645d8555b422320b7f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354536
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
6 files changed