Treat kIncompleteInput as successes in get_images_from_skps

tools/get_images_from_skps.cpp

Index: tools/get_images_from_skps.cpp
diff --git a/tools/get_images_from_skps.cpp b/tools/get_images_from_skps.cpp
index a78c412a1bf35f07742cde2de9d43c9aa1145679..11b99c214d1f9b5ea3753057033603ae23d60807 100644
--- a/tools/get_images_from_skps.cpp
+++ b/tools/get_images_from_skps.cpp
@@ -82,7 +82,9 @@ struct Sniffer : public SkPixelSerializer {
             SkBitmap bitmap;
             SkImageInfo info = codec->getInfo().makeColorType(kN32_SkColorType);
             bitmap.allocPixels(info);
-            if (SkCodec::kSuccess != codec->getPixels(info, bitmap.getPixels(),  bitmap.rowBytes()))
+            const SkCodec::Result result = codec->getPixels(
+                info, bitmap.getPixels(),  bitmap.rowBytes());
+            if (SkCodec::kIncompleteInput != result && SkCodec::kSuccess != result)
             {
                 SkDebugf("Decoding failed for %s\n", skpName.c_str());
                 gSkpToUnknownCount[skpName]++;