Add state manager logs to protolog

Flag: com.android.launcher3.enable_state_manager_proto_log
Bug: 292269949
Test: checked winscope traces
Change-Id: I0941620efca3bf0d3cd859c211a7b06932d3838a

src_no_quickstep/com/android/launcher3/util/StateManagerProtoLogProxy.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.launcher3.util;
+
+/**
+ * Proxy class used for StateManager ProtoLog support.
+ */
+public class StateManagerProtoLogProxy {
+
+    public static void logGoToState(Object fromState, Object toState, String trace) { }
+
+    public static void logCreateAtomicAnimation(Object fromState, Object toState, String trace) { }
+
+    public static void logOnStateTransitionStart(Object state) { }
+
+    public static void logOnStateTransitionEnd(Object state) { }
+
+    public static void logCancelAnimation(boolean animationOngoing, String trace) { }
+}