add SkDeviceLooper to handle larger-than-fixedpoint

tests/DrawPathTest.cpp

Index: tests/DrawPathTest.cpp
diff --git a/tests/DrawPathTest.cpp b/tests/DrawPathTest.cpp
index aea07c10cde492c11627a2e6af51633ee406c2bb..8c199e4d561fceffb1c12ef446d590a694fbac42 100644
--- a/tests/DrawPathTest.cpp
+++ b/tests/DrawPathTest.cpp
@@ -320,10 +320,7 @@ static void TestDrawPath(skiatest::Reporter* reporter) {
     if (false) test_crbug131181();
     test_infinite_dash(reporter);
     test_crbug_165432(reporter);
-    
-    if (false) {    // working on a fix
-        test_big_aa_rect(reporter);
-    }
+    test_big_aa_rect(reporter);
 }
 
 #include "TestClassDef.h"