Add scripts dependency to net_perftests target

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index 3ee51c943336c0f21c21d036395167d2abf31b07..b60dd60662d8b683cd4a183888a78639a30621b5 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -5497,7 +5497,13 @@ if (!is_ios && !is_proto_quic) {
       "//testing/perf",
       "//url",
     ]
-
+    data = [
+      # Needed for isolate script to execute.
+      "//testing/scripts/common.py",
+      "//testing/xvfb.py",
+      "//testing/scripts/run_gtest_perf_test.py",
+      "//tools/perf/generate_legacy_perf_dashboard_json.py",
+    ]
     if (enable_websockets) {
       sources += [ "websockets/websocket_frame_perftest.cc" ]
     }