Remove the public_deps to fileutils from test_support.

Bug: webrtc:8946
Change-Id: Ia01d8bb1b42485e29f26792b9266228743d7fd90
No-Presubmit: true
Reviewed-on: https://webrtc-review.googlesource.com/62100
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22465}
diff --git a/rtc_tools/BUILD.gn b/rtc_tools/BUILD.gn
index 13abc70..f57ef40 100644
--- a/rtc_tools/BUILD.gn
+++ b/rtc_tools/BUILD.gn
@@ -272,6 +272,7 @@
         "../rtc_base:rtc_base_approved",
         "../system_wrappers:field_trial_default",
         "../test:field_trial",
+        "../test:fileutils",
         "../test:test_support",
       ]
     }
@@ -344,6 +345,7 @@
       "../common_video:common_video",
       "../rtc_base",
       "../rtc_base:checks",
+      "../test:fileutils",
       "../test:test_main",
       "//testing/gtest",
     ]