arc: enable Android tracing in verified-boot mode

components/arc/arc_bridge_host_impl.cc

Index: components/arc/arc_bridge_host_impl.cc
diff --git a/components/arc/arc_bridge_host_impl.cc b/components/arc/arc_bridge_host_impl.cc
index b22068e5d4e208115c75f759d8d0fa7cee87658e..9fec9878f4f207654b3c18b5e189438c999c94d8 100644
--- a/components/arc/arc_bridge_host_impl.cc
+++ b/components/arc/arc_bridge_host_impl.cc
@@ -192,6 +192,11 @@ void ArcBridgeHostImpl::OnStorageManagerInstanceReady(
                   std::move(storage_manager_ptr));
 }
 
+void ArcBridgeHostImpl::OnTraceInstanceReady(
+    mojom::TraceInstancePtr trace_ptr) {
+  OnInstanceReady(arc_bridge_service_->trace(), std::move(trace_ptr));
+}
+
 void ArcBridgeHostImpl::OnTtsInstanceReady(mojom::TtsInstancePtr tts_ptr) {
   OnInstanceReady(arc_bridge_service_->tts(), std::move(tts_ptr));
 }