switch over clip calls to use SkClipOp instead of SkRegion::Op

Change-Id: I67d23c487b5249bc31d96e3b2393f693c0b2bcff
diff --git a/libs/hwui/tests/common/TestUtils.h b/libs/hwui/tests/common/TestUtils.h
index 0ce598d..363b94a 100644
--- a/libs/hwui/tests/common/TestUtils.h
+++ b/libs/hwui/tests/common/TestUtils.h
@@ -118,7 +118,8 @@
 
     static std::unique_ptr<Snapshot> makeSnapshot(const Matrix4& transform, const Rect& clip) {
         std::unique_ptr<Snapshot> snapshot(new Snapshot());
-        snapshot->clip(clip, SkRegion::kReplace_Op); // store clip first, so it isn't transformed
+        // store clip first, so it isn't transformed
+        snapshot->setClip(clip.left, clip.top, clip.right, clip.bottom);
         *(snapshot->transform) = transform;
         return snapshot;
     }