format GN files

Change-Id: I0220e8b3ce74d0a647c8a076adf71d6e4aafe158
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/269785
Reviewed-by: Mike Klein <mtklein@google.com>
diff --git a/build/fuchsia/skqp/BUILD.gn b/build/fuchsia/skqp/BUILD.gn
index 2553629..656bd10 100644
--- a/build/fuchsia/skqp/BUILD.gn
+++ b/build/fuchsia/skqp/BUILD.gn
@@ -86,7 +86,7 @@
     "lib/libvulkan.so=${sdk_dist_path}/libvulkan.so",
     "lib/VkLayer_khronos_validation.so=${sdk_dist_path}/VkLayer_khronos_validation.so",
 
-    "data/vulkan/explicit_layer.d/VkLayer_khronos_validation.json=${layer_path}/data/vulkan/explicit_layer.d/VkLayer_khronos_validation.json"
+    "data/vulkan/explicit_layer.d/VkLayer_khronos_validation.json=${layer_path}/data/vulkan/explicit_layer.d/VkLayer_khronos_validation.json",
   ]
 
   # TODO(rosasco): Add 2 lines when generated_file() switch is implemented