Revert "makeSurface defaults to raster"

This reverts commit 29a4a684af2525d78a1090fba2d3dea2b6a59fc7.

Reason for revert: some configs fail

Original change's description:
> makeSurface defaults to raster
> 
> Rather that returning nullptr for a recording
> canvas, return a raster canvas instead.
> 
> R=​reed@google.com,robertphillips@google.com
> 
> Bug: skia:
> Change-Id: I211d8ef368b9aec6d14cc72d1652ac6a03f3fa7b
> Reviewed-on: https://skia-review.googlesource.com/151666
> Commit-Queue: Cary Clark <caryclark@skia.org>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

TBR=robertphillips@google.com,reed@google.com,caryclark@skia.org

Change-Id: I82d2c3e4589a2ca8523bbf86884ed68b1431631d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/151824
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>
diff --git a/tools/sk_tool_utils.cpp b/tools/sk_tool_utils.cpp
index 2dbd834..9bff574 100644
--- a/tools/sk_tool_utils.cpp
+++ b/tools/sk_tool_utils.cpp
@@ -626,4 +626,12 @@
                equal_pixels(pm0, pm1, maxDiff, respectColorSpaces);
     }
 
+    sk_sp<SkSurface> makeSurface(SkCanvas* canvas, const SkImageInfo& info,
+                                 const SkSurfaceProps* props) {
+        auto surf = canvas->makeSurface(info, props);
+        if (!surf) {
+            surf = SkSurface::MakeRaster(info, props);
+        }
+        return surf;
+    }
 }  // namespace sk_tool_utils