Fix crash in viewer on certain android devices

tools/viewer/sk_app/android/VulkanWindowContext_android.cpp

Index: tools/viewer/sk_app/android/VulkanWindowContext_android.cpp
diff --git a/tools/viewer/sk_app/android/VulkanWindowContext_android.cpp b/tools/viewer/sk_app/android/VulkanWindowContext_android.cpp
index 68f2051f3aa636ef9730b335dc372cb7f5c18eb2..b50e152291be5c56e08f5da673e4fa8406d15be9 100644
--- a/tools/viewer/sk_app/android/VulkanWindowContext_android.cpp
+++ b/tools/viewer/sk_app/android/VulkanWindowContext_android.cpp
@@ -15,11 +15,9 @@ namespace window_context_factory {
 
 WindowContext* NewVulkanForAndroid(ANativeWindow* window, const DisplayParams& params) {
     auto createVkSurface = [window] (VkInstance instance) -> VkSurfaceKHR {
-        static PFN_vkCreateAndroidSurfaceKHR createAndroidSurfaceKHR = nullptr;
-        if (!createAndroidSurfaceKHR) {
-            createAndroidSurfaceKHR = (PFN_vkCreateAndroidSurfaceKHR)vkGetInstanceProcAddr(
-                instance, "vkCreateAndroidSurfaceKHR");
-        }
+        PFN_vkCreateAndroidSurfaceKHR createAndroidSurfaceKHR =
+                (PFN_vkCreateAndroidSurfaceKHR)vkGetInstanceProcAddr(instance,
+                                                                     "vkCreateAndroidSurfaceKHR");
 
         if (!window) {
             return VK_NULL_HANDLE;