SkPaint::getBlendMode() is deprecated

Test: make

Bug: 178700363
Change-Id: Ib55dba5683e97ed9e72de7782f573025bd4d7461
diff --git a/libs/hwui/utils/PaintUtils.h b/libs/hwui/utils/PaintUtils.h
index a8f2d9a..f0fb068 100644
--- a/libs/hwui/utils/PaintUtils.h
+++ b/libs/hwui/utils/PaintUtils.h
@@ -48,7 +48,7 @@
         }
 
         // Only let simple srcOver / src blending modes declare opaque, since behavior is clear.
-        SkBlendMode mode = paint->getBlendMode();
+        const auto mode = paint->asBlendMode();
         return mode == SkBlendMode::kSrcOver || mode == SkBlendMode::kSrc;
     }
 
@@ -59,7 +59,7 @@
     }
 
     static inline SkBlendMode getBlendModeDirect(const SkPaint* paint) {
-        return paint ? paint->getBlendMode() : SkBlendMode::kSrcOver;
+        return paint ? paint->getBlendMode_or(SkBlendMode::kSrcOver) : SkBlendMode::kSrcOver;
     }
 
     static inline int getAlphaDirect(const SkPaint* paint) {