Remove sample count from GrSurfaceDesc.

This leaves just width, height, and GrPixelConfig. Once we remove the
latter we can replace GrSurfaceDesc with SkISize.

Also remove unused GrRenderTarget::overrideResolveRect

Also remove GrSurfaceProxy::Renderable and use GrRenderable instead.

Change-Id: I652fe6169a22ca33d199b144ec6385286ac07b5a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/228570
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/tests/DetermineDomainModeTest.cpp b/tests/DetermineDomainModeTest.cpp
index fd3cf74..b01f1b4 100644
--- a/tests/DetermineDomainModeTest.cpp
+++ b/tests/DetermineDomainModeTest.cpp
@@ -146,7 +146,7 @@
               (isPowerOfTwo || isExact) ? RectInfo::kHard : RectInfo::kBad,
               name);
 
-    return proxyProvider->createProxy(format, desc, GrRenderable::kNo, kTopLeft_GrSurfaceOrigin,
+    return proxyProvider->createProxy(format, desc, GrRenderable::kNo, 1, kTopLeft_GrSurfaceOrigin,
                                       fit, SkBudgeted::kYes, GrProtected::kNo);
 }