Update internal skia uses to use flushAndSubmit and submit calls.

Bug: skia:10118
Change-Id: Ieb7c0eece56d3d9df56ecb52e00e76c01f038de8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289888
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrLegacyDirectContext.cpp b/src/gpu/GrLegacyDirectContext.cpp
index f7cae12..595807e 100644
--- a/src/gpu/GrLegacyDirectContext.cpp
+++ b/src/gpu/GrLegacyDirectContext.cpp
@@ -48,7 +48,7 @@
         // this if-test protects against the case where the context is being destroyed
         // before having been fully created
         if (this->priv().getGpu()) {
-            this->flush();
+            this->flushAndSubmit();
         }
 
         delete fAtlasManager;
@@ -65,7 +65,7 @@
     }
 
     void freeGpuResources() override {
-        this->flush();
+        this->flushAndSubmit();
         fAtlasManager->freeAll();
 
         INHERITED::freeGpuResources();