Remove kRenderTarget_GrSurfaceFlag, instead pass GrRenderable.

This is the last surface desc flag, so remove flags from GrSurfaceDesc.

Bug: skia:6718

Change-Id: Id3ed66b161289927b62f40bfb1f6482cf544deda
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227858
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrClipStackClip.cpp b/src/gpu/GrClipStackClip.cpp
index 3c282d5..62ed272 100644
--- a/src/gpu/GrClipStackClip.cpp
+++ b/src/gpu/GrClipStackClip.cpp
@@ -499,8 +499,9 @@
 
         // MDB TODO: We're going to fill this proxy with an ASAP upload (which is out of order wrt
         // to ops), so it can't have any pending IO.
-        proxy = proxyProvider->createProxy(format, desc, kTopLeft_GrSurfaceOrigin,
-                                           SkBackingFit::kApprox, SkBudgeted::kYes);
+        proxy = proxyProvider->createProxy(format, desc, GrRenderable::kNo,
+                                           kTopLeft_GrSurfaceOrigin, SkBackingFit::kApprox,
+                                           SkBudgeted::kYes);
 
         auto uploader = skstd::make_unique<GrTDeferredProxyUploader<ClipMaskData>>(reducedClip);
         GrTDeferredProxyUploader<ClipMaskData>* uploaderRaw = uploader.get();