[fuchsia] Add build dependency to utility

Change-Id: I4a65d11bf96aa4067d32330f9012a92dbbeebd4b

absl/BUILD.gn

@@ -12,7 +12,8 @@ static_library("absl") {
   public_configs = [ "//third_party/abseil-cpp:abseil_config" ]
 
   public_deps = [
-    "//third_party/abseil-cpp/absl/strings",
     "//third_party/abseil-cpp/absl/flags",
+    "//third_party/abseil-cpp/absl/strings",
+    "//third_party/abseil-cpp/absl/utility",
   ]
 }