perfetto-ui: Add TrackControllerRegistry

- Add TrackControllerRegistry to match TrackRegistry.
- Extract Registry from TrackRegistry.

Change-Id: Ibe7cebb47011270bdf216517cda4a70e98bfa9c0
diff --git a/ui/src/common/state.ts b/ui/src/common/state.ts
index c3c61c1..a01f4a4 100644
--- a/ui/src/common/state.ts
+++ b/ui/src/common/state.ts
@@ -28,7 +28,7 @@
   id: string;
   type: string;
   height: number;
-  name: string;
+  kind: string;
 }
 
 export function createEmptyState(): State {