Modernize calls to drawImage

1. drawBitmap --> drawImage
2. drawImage now always requires sampling parameter

Bug:178700363

Test: make

Change-Id: I96f610a180b3774ba955cc334949fd62b1cf4d69
diff --git a/libs/hwui/HardwareBitmapUploader.cpp b/libs/hwui/HardwareBitmapUploader.cpp
index ab9b8b5..859a555 100644
--- a/libs/hwui/HardwareBitmapUploader.cpp
+++ b/libs/hwui/HardwareBitmapUploader.cpp
@@ -362,13 +362,8 @@
         return source;
     } else {
         SkBitmap bitmap;
-        const SkImageInfo& info = source.info();
-        bitmap.allocPixels(info.makeColorType(kN32_SkColorType));
-
-        SkCanvas canvas(bitmap);
-        canvas.drawColor(0);
-        canvas.drawBitmap(source, 0.0f, 0.0f, nullptr);
-
+        bitmap.allocPixels(source.info().makeColorType(kN32_SkColorType));
+        bitmap.writePixels(source.pixmap());
         return bitmap;
     }
 }