Changed teamNumber.cc to absl::call_once()

Change-Id: I442fd713c380a566f1ed56336d6c6fc474e8bb66
diff --git a/aos/network/BUILD b/aos/network/BUILD
index 6fe0585..d5c27b3 100644
--- a/aos/network/BUILD
+++ b/aos/network/BUILD
@@ -9,7 +9,7 @@
         "team_number.h",
     ],
     deps = [
-        "//aos:once",
+        "@com_google_absl//absl/base",
         "//aos/logging",
         "//aos/util:string_to_num",
         "//aos:configuration",