Fix Android Vulkan builds to account for resource context management API updates. (#6020)

shell/platform/android/android_surface_vulkan.cc

@@ -65,7 +65,9 @@ bool AndroidSurfaceVulkan::ResourceContextMakeCurrent() {
   return false;
 }
 
+// |shell::AndroidSurface|
 bool AndroidSurfaceVulkan::ResourceContextClearCurrent() {
+  FML_DLOG(ERROR) << "The vulkan backend does not support resource contexts.";
   return false;
 }
 

shell/platform/android/android_surface_vulkan.h

@@ -35,6 +35,9 @@ class AndroidSurfaceVulkan : public AndroidSurface {
   // |shell::AndroidSurface|
   bool ResourceContextMakeCurrent() override;
 
+  // |shell::AndroidSurface|
+  bool ResourceContextClearCurrent() override;
+
   // |shell::AndroidSurface|
   bool SetNativeWindow(fml::RefPtr<AndroidNativeWindow> window) override;