[roll] Roll fuchsia [tools][botanist] Introduce crosvm target

This change introduces a crosvm target for running tests within crosvm
in automation. A follow-on change will begin exercising this with the
boot tests involving crosvm's boot shim.

Original-Bug: 371274109
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1132052
Original-Revision: 37400d73e251affe7be4f185eac0cc2b01e3613e
GitOrigin-RevId: 47e984dcac65821d1d66f4ae17435e2e3c476a32
Change-Id: I637730d36dcee0ff111c9f7d521ee690bd2ab95f

Author: Joshua Seaton

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="896fd3c15a3366a31ae3915cd124d9a91a0ced6c"/>
+             revision="37400d73e251affe7be4f185eac0cc2b01e3613e"/>
   </projects>
   <hooks>
     <hook name="install-environment"