fix bug and add log

vulkan/FaceApp.h

@@ -182,6 +182,17 @@ public:
     void clearnSecondFaceApp();
 	void Start();
     void Stop();
+
+    // Called from main thread in response to APP_CMD_TERM_WINDOW.
+    // Serializes against JNI callbacks (processImageNative / passDataToNative /
+    // changeMotionList) by taking all three FaceApp mutexes + createTextureMtx,
+    // then tears down window-dependent Vulkan objects via Application.
+    void onWindowLost();
+
+    // Called from main thread in response to APP_CMD_INIT_WINDOW.
+    // Does the full first-time initVulkan() on the very first call, and a
+    // lightweight swapchain/surface rebuild on subsequent calls.
+    void onWindowInit();
     void loadMotionThread();
     std::thread worker_;
     bool _isLoadMotion = false;