Add a FieldTrialsView argument to the NetworkEmulationManager ctor.

Change-Id: Ic4acd04aef9e9f6185d045bc300d8dbea50759fd
Bug: b/314891512
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/330001
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Jeremy Leconte <jleconte@google.com>
Cr-Commit-Position: refs/heads/main@{#41320}
diff --git a/api/BUILD.gn b/api/BUILD.gn
index ee16257..abefbc9 100644
--- a/api/BUILD.gn
+++ b/api/BUILD.gn
@@ -643,6 +643,7 @@
       "test/create_network_emulation_manager.h",
     ]
     deps = [
+      ":field_trials_view",
       ":network_emulation_manager_api",
       "../test/network:emulated_network",
     ]