[roll] Roll fuchsia [sestarnix] Use test_type="gtest" for userspace test components

Use the "gtest" test type, so that the test framework will
integrate properly for test listing, filtering, etc.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1235108
Original-Revision: 4932b666cdd6b21ce8c7924ae55bdcacb5ed6991
GitOrigin-RevId: 704f442d527fa382afa072df7935c3e90d3f330a
Change-Id: I2f7fcc84ab3e1a022e2dd0fe54b83793ffa0f38e

Author: Wez

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="51b5ad13cebef95888aae39db9b6f0b1d4c17ca1"/>
+             revision="4932b666cdd6b21ce8c7924ae55bdcacb5ed6991"/>
   </projects>
   <hooks>
     <hook name="install-environment"