Only use analytic effect-based clipping when AA is required by at least one element.

src/gpu/GrClipMaskManager.cpp

Index: src/gpu/GrClipMaskManager.cpp
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index 96f4b209e385944584f1339d87bc5bdd57e6b82b..2f60c4501792719d0a1adbfac47abea4e87480c4 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -268,7 +268,7 @@ bool GrClipMaskManager::setupClipping(const GrClipData* clipDataIn,
         SkVector clipToRTOffset = { SkIntToScalar(-clipDataIn->fOrigin.fX),
                                     SkIntToScalar(-clipDataIn->fOrigin.fY) };
         if (elements.isEmpty() ||
-            this->installClipEffects(elements, are, clipToRTOffset, devBounds)) {
+            (requiresAA && this->installClipEffects(elements, are, clipToRTOffset, devBounds))) {
             SkIRect scissorSpaceIBounds(clipSpaceIBounds);
             scissorSpaceIBounds.offset(-clipDataIn->fOrigin);
             if (NULL == devBounds ||