Change UnrefDDLTask to just be the DDLTask (take 2)

This includes:

https://skia-review.googlesource.com/c/skia/+/333576 (Fix UMR (valgrind) bug in GrDrawingManager)

Change-Id: I162aba033e75b47a96b4dfdd840ba2cb1f70e42c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/334422
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrOpsTask.cpp b/src/gpu/GrOpsTask.cpp
index c6ca456..562bafb 100644
--- a/src/gpu/GrOpsTask.cpp
+++ b/src/gpu/GrOpsTask.cpp
@@ -875,8 +875,8 @@
     }
 }
 
-GrRenderTask::ExpectedOutcome GrOpsTask::onMakeClosed(
-        const GrCaps& caps, SkIRect* targetUpdateBounds) {
+GrRenderTask::ExpectedOutcome GrOpsTask::onMakeClosed(const GrCaps& caps,
+                                                      SkIRect* targetUpdateBounds) {
     this->forwardCombine(caps);
     if (!this->isNoOp()) {
         GrSurfaceProxy* proxy = this->target(0).proxy();