Add onPrePrepare to GrFillRRectOp

As the first real op to be updated this required the plumbing of the DstProxyView and the de-constification of the GrAppliedClip.

Bug: skia:9455
Change-Id: Ieaa16adfa1d114021b2ad60d0ef8ecbe31d9cc82
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255136
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrOpsTask.cpp b/src/gpu/GrOpsTask.cpp
index 4a1146e..97651d2 100644
--- a/src/gpu/GrOpsTask.cpp
+++ b/src/gpu/GrOpsTask.cpp
@@ -408,7 +408,10 @@
 
     for (const auto& chain : fOpChains) {
         if (chain.shouldExecute()) {
-            chain.head()->prePrepare(context, &fTargetView, chain.appliedClip());
+            chain.head()->prePrepare(context,
+                                     &fTargetView,
+                                     chain.appliedClip(),
+                                     chain.dstProxyView());
         }
     }
 }