Rm makeRenderTargetContext in favor of deferred version (take 3)

This is a reland of: https://skia-review.googlesource.com/c/13001/ (Rm makeRenderTargetContext in favor of deferred version)

TBR=bsalomon@google.com

Change-Id: If81f4d9fb889c091cd37ffde133d906fb3e37773
Reviewed-on: https://skia-review.googlesource.com/14027
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/tests/ClearTest.cpp b/tests/ClearTest.cpp
index 843c4c3..45eb2af 100644
--- a/tests/ClearTest.cpp
+++ b/tests/ClearTest.cpp
@@ -57,8 +57,8 @@
     }
     context->freeGpuResources();
 
-    *rtc = context->makeRenderTargetContext(SkBackingFit::kExact, w, h, kRGBA_8888_GrPixelConfig,
-                                            nullptr);
+    *rtc = context->makeDeferredRenderTargetContext(SkBackingFit::kExact, w, h,
+                                                    kRGBA_8888_GrPixelConfig, nullptr);
 
     SkASSERT((*rtc)->accessRenderTarget()->uniqueID() != oldID);