build: add src/tracing/ipc/service to Chrome's libperfetto

This is needed in tests.

TBR: primiano@google.com
Change-Id: I89cf5a567c83e1fed6f57e30c28906ffd02c6697
diff --git a/BUILD.gn b/BUILD.gn
index af82637..8bb0383 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -248,7 +248,10 @@
       "protos/perfetto/trace/track_event:zero",
     ]
     if (enable_perfetto_ipc) {
-      deps += [ "src/tracing/ipc/producer" ]
+      deps += [
+        "src/tracing/ipc/producer",
+        "src/tracing/ipc/service",
+      ]
       public_deps += [ "include/perfetto/ext/tracing/ipc:ipc" ]
     }
   }