Switch textures created by DeviceImageFilterProxy to approx-match.

src/core/SkDeviceImageFilterProxy.h

Index: src/core/SkDeviceImageFilterProxy.h
diff --git a/src/core/SkDeviceImageFilterProxy.h b/src/core/SkDeviceImageFilterProxy.h
index aa2fd1a5aaaa65c1cebc012ea600f23a4b635554..06df759bc3cf062c1833211438a4f33b31642158 100644
--- a/src/core/SkDeviceImageFilterProxy.h
+++ b/src/core/SkDeviceImageFilterProxy.h
@@ -21,7 +21,7 @@ public:
 
     SkBaseDevice* createDevice(int w, int h) override {
         SkBaseDevice::CreateInfo cinfo(SkImageInfo::MakeN32Premul(w, h),
-                                       SkBaseDevice::kPossible_TileUsage,
+                                       SkBaseDevice::kNever_TileUsage,
                                        kUnknown_SkPixelGeometry);
         return fDevice->onCreateDevice(cinfo, NULL);
     }