fix opacity check in SkBitmapDevice::Create

src/core/SkBitmapDevice.cpp

Index: src/core/SkBitmapDevice.cpp
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index ac3b9df0827ed51aedfb5f5520c7457ced5e7a8a..1b9130ac759b25af82f568ca09d49b4ebce06e27 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -95,7 +95,7 @@ SkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& origInfo,
         if (!bitmap.setInfo(info)) {
             return nullptr;
         }
-    } else if (bitmap.info().isOpaque()) {
+    } else if (info.isOpaque()) {
         // If this bitmap is opaque, we don't have any sensible default color,
         // so we just return uninitialized pixels.
         if (!bitmap.tryAllocPixels(info)) {