arc: enable Android tracing in verified-boot mode

components/arc/common/arc_bridge.mojom

Index: components/arc/common/arc_bridge.mojom
diff --git a/components/arc/common/arc_bridge.mojom b/components/arc/common/arc_bridge.mojom
index 8247153ef141ed05f4ffc42776efab7214829499..3a8a42cafb449c752ba53ea238e62cb613dde749 100644
--- a/components/arc/common/arc_bridge.mojom
+++ b/components/arc/common/arc_bridge.mojom
@@ -24,13 +24,14 @@ import "power.mojom";
 import "print.mojom";
 import "process.mojom";
 import "storage_manager.mojom";
+import "trace.mojom";
 import "tts.mojom";
 import "video.mojom";
 import "wallpaper.mojom";
 
-// Next MinVersion: 20
+// Next MinVersion: 21
 // Deprecated method IDs: 101, 105
-// Next method ID: 126
+// Next method ID: 127
 interface ArcBridgeHost {
   // Keep the entries alphabetical. In order to do so without breaking
   // compatibility with the ARC instance, explicitly assign each interface a
@@ -109,6 +110,9 @@ interface ArcBridgeHost {
 
   // Notifies Chrome that the WallpaperInstance interface is ready.
   [MinVersion=18] OnWallpaperInstanceReady@124(WallpaperInstance instance_ptr);
+
+  // Notifies Chrome that the TraceInstance interface is ready.
+  [MinVersion=20] OnTraceInstanceReady@126(TraceInstance instance_ptr);
 };
 
 interface ArcBridgeInstance {