[roll] Roll fuchsia [gndoc] Update GN build arguments documentation

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1279516
Original-Revision: c95985028377efa403dd59f208c8c733228fcd2e
GitOrigin-RevId: dac0b9f4e40682e21c3ff9560eaf62a73b89dfa9
Change-Id: I7bdf3232fa134b70d998beed58abf1aa2d98da06

Author: docs-roller

stem

@@ -8,7 +8,7 @@
              root=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="d89fe7a61b6448f26bf19ee0ebc5b3dcad65c471"
+             revision="c95985028377efa403dd59f208c8c733228fcd2e"
              />
   </imports>
   <projects>