Set analytic AA as default.

We'll use https://codereview.chromium.org/2471123002/ to keep Chrome from using
analytic AA until we fix all the Chrome tests.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2471133002

Committed: https://skia.googlesource.com/skia/+/dca4f6530013cf43a2557ccb07f5cb4fd916b8e8
Review-Url: https://codereview.chromium.org/2471133002
diff --git a/tests/ImageFilterTest.cpp b/tests/ImageFilterTest.cpp
index a6961ff..28612e8 100644
--- a/tests/ImageFilterTest.cpp
+++ b/tests/ImageFilterTest.cpp
@@ -153,7 +153,7 @@
             sk_sp<SkImage> gradientImage(SkImage::MakeFromBitmap(make_gradient_circle(64, 64)));
             sk_sp<SkImageFilter> gradientSource(SkImageSource::Make(std::move(gradientImage)));
 
-            this->addFilter("displacement map", 
+            this->addFilter("displacement map",
                 SkDisplacementMapEffect::Make(SkDisplacementMapEffect::kR_ChannelSelectorType,
                                               SkDisplacementMapEffect::kB_ChannelSelectorType,
                                               20.0f,
@@ -1865,7 +1865,7 @@
         { SkMergeImageFilter::Make(cfif, blif, SkBlendMode::kSrcOver),     false },
         { SkComposeImageFilter::Make(blif, cfif),   false },
     };
-    
+
     for (const auto& rec : recs) {
         const bool canHandle = rec.fFilter->canHandleComplexCTM();
         REPORTER_ASSERT(reporter, canHandle == rec.fExpectCanHandle);