Update method signature to match private Skia header.

Test: hwui_unit_tests
Change-Id: Idb1db2973c4b76b3322d87523383bc6fabe85ce7
diff --git a/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp b/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
index 2c73940..0331581 100644
--- a/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
+++ b/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
@@ -461,7 +461,7 @@
         ProjectionLayer(int* drawCounter)
                 : SkSurface_Base(SkImageInfo::MakeN32Premul(LAYER_WIDTH, LAYER_HEIGHT), nullptr)
                 , mDrawCounter(drawCounter) {}
-        virtual sk_sp<SkImage> onNewImageSnapshot() override {
+        virtual sk_sp<SkImage> onNewImageSnapshot(const SkIRect* bounds) override {
             EXPECT_EQ(3, (*mDrawCounter)++);
             EXPECT_EQ(SkRect::MakeLTRB(100 - SCROLL_X, 100 - SCROLL_Y, 300 - SCROLL_X,
                                        300 - SCROLL_Y),
diff --git a/libs/hwui/tests/unit/SkiaPipelineTests.cpp b/libs/hwui/tests/unit/SkiaPipelineTests.cpp
index 65b4e26..d16b8be 100644
--- a/libs/hwui/tests/unit/SkiaPipelineTests.cpp
+++ b/libs/hwui/tests/unit/SkiaPipelineTests.cpp
@@ -247,7 +247,7 @@
 
     SkCanvas* onNewCanvas() override { return new T(); }
     sk_sp<SkSurface> onNewSurface(const SkImageInfo&) override { return nullptr; }
-    sk_sp<SkImage> onNewImageSnapshot() override { return nullptr; }
+    sk_sp<SkImage> onNewImageSnapshot(const SkIRect* bounds) override { return nullptr; }
     T* canvas() { return static_cast<T*>(getCanvas()); }
     void onCopyOnWrite(ContentChangeMode) override {}
     void onWritePixels(const SkPixmap&, int x, int y) override {}