[goldfish] Move BUILD.gn to //src/graphics

Change-Id: I77c77dd3738a179ff7b90f194fdeb9112d00ccbc
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/378043
Reviewed-by: George Kulakowski <kulakowski@google.com>
Commit-Queue: Craig Stout <cstout@google.com>
diff --git a/garnet/packages/prod/BUILD.gn b/garnet/packages/prod/BUILD.gn
index e5a69f4..d135b47 100644
--- a/garnet/packages/prod/BUILD.gn
+++ b/garnet/packages/prod/BUILD.gn
@@ -575,5 +575,5 @@
 
 group("goldfish-vulkan") {
   testonly = true
-  public_deps = [ "//garnet/lib/goldfish-vulkan/gnbuild:goldfish-vulkan" ]
+  public_deps = [ "//src/graphics/lib/goldfish-vulkan/gnbuild:goldfish-vulkan" ]
 }
diff --git a/garnet/lib/goldfish-vulkan/gnbuild/BUILD.gn b/src/graphics/lib/goldfish-vulkan/gnbuild/BUILD.gn
similarity index 100%
rename from garnet/lib/goldfish-vulkan/gnbuild/BUILD.gn
rename to src/graphics/lib/goldfish-vulkan/gnbuild/BUILD.gn