more code size reduction

The main change here is from ResourceList which ended-up generating
a lot of code due to inlining. This class is only used for tracking
user resources and is not in the performance path.

This saves another ~5K or so of code.

libs/utils/src/ThreadUtils.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#include "utils/ThreadUtils.h"
+
+#include <utils/compiler.h>
+
+namespace utils {
+
+UTILS_NOINLINE
+std::thread::id ThreadUtils::getThreadId() noexcept {
+    return std::this_thread::get_id();
+}
+
+bool ThreadUtils::isThisThread(std::thread::id id) noexcept {
+    return getThreadId() == id;
+}
+
+} // namespace utils