diff --git a/libs/WindowManager/Shell/Android.bp b/libs/WindowManager/Shell/Android.bp
index 307b82e..16b87c4 100644
--- a/libs/WindowManager/Shell/Android.bp
+++ b/libs/WindowManager/Shell/Android.bp
@@ -83,6 +83,16 @@
 }
 // End ProtoLog
 
+java_library {
+    name: "WindowManager-Shell-proto",
+
+    srcs: ["proto/*.proto"],
+
+    proto: {
+        type: "nano",
+    },
+}
+
 android_library {
     name: "WindowManager-Shell",
     srcs: [
@@ -94,6 +104,7 @@
     ],
     static_libs: [
         "protolog-lib",
+        "WindowManager-Shell-proto",
     ],
     manifest: "AndroidManifest.xml",
 }
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/proto/wm_shell_trace.proto b/libs/WindowManager/Shell/proto/wm_shell_trace.proto
new file mode 100644
index 0000000..b9e7252
--- /dev/null
+++ b/libs/WindowManager/Shell/proto/wm_shell_trace.proto
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+
+package com.android.wm.shell;
+
+option java_multiple_files = true;
+
+message WmShellTraceProto {
+
+    // Not used, just a test value
+    optional bool test_value = 1;
+}