Narrow vfs/util's runtime deps

We just need the filesystem impl, not all of the other things.

PiperOrigin-RevId: 302506098
diff --git a/src/test/java/com/google/devtools/build/lib/vfs/util/BUILD b/src/test/java/com/google/devtools/build/lib/vfs/util/BUILD
index 4a69c19..ae903b7 100644
--- a/src/test/java/com/google/devtools/build/lib/vfs/util/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/vfs/util/BUILD
@@ -20,7 +20,7 @@
     exports = [
         ":util_internal",
     ],
-    runtime_deps = ["//src/main/java/com/google/devtools/build/lib:bazel-rules"],
+    runtime_deps = ["//src/main/java/com/google/devtools/build/lib/unix"],
 )
 
 java_library(
@@ -34,7 +34,6 @@
         "//src/main/java/com/google/devtools/build/lib/vfs",
         "//src/main/java/com/google/devtools/build/lib/vfs/inmemoryfs",
         "//src/main/java/com/google/devtools/build/lib/windows",
-        "//src/test/java/com/google/devtools/build/lib/testutil",
         "//src/test/java/com/google/devtools/build/lib/testutil:TestConstants",
         "//src/test/java/com/google/devtools/build/lib/testutil:TestUtils",
     ],