More cleanup in the Vulkan viewer

* add animation support for GMs
* don't load all SkPictures at start, only as needed
* don't update constantly, only for animation or stats
* hide/show stats
* scale slides up/down

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1873733003

Review URL: https://codereview.chromium.org/1873733003

1 files changed, 1 insertions, 0 deletions

diff --git a/gm/scaledstrokes.cpp b/gm/scaledstrokes.cpp
index 59c3efb1cc..1ee2350236 100644
--- a/gm/scaledstrokes.cpp
+++ b/gm/scaledstrokes.cpp
@@ -73,6 +73,7 @@ protected:
 
                 canvas->translate(80.0f, 0.0f);
             }
+            canvas->restore();
         }
 
     }