Android 11.0 修複鎖屏後連續按亮度鍵，System UI報錯

frameworks/base/services/core/java/com/android/server/policy/PhoneWindowManager.java

在 interceptKeyBeforeDispatching()

KeyguardManager keyguardManager = (KeyguardManager) ActivityThread.currentApplication().getSystemService(Context.KEYGUARD_SERVICE);
            if (keyguardManager.isKeyguardLocked()) return 0;