use SkColorType instead of SkBitmap::Config in views/effects

src/effects/SkAlphaThresholdFilter.cpp

Index: src/effects/SkAlphaThresholdFilter.cpp
diff --git a/src/effects/SkAlphaThresholdFilter.cpp b/src/effects/SkAlphaThresholdFilter.cpp
index 6b55fdf90e45e534f1a296797c5114804aac25d4..1163f67b2de4a66da8fbe3eb071ffb52e5f3e2cd 100644
--- a/src/effects/SkAlphaThresholdFilter.cpp
+++ b/src/effects/SkAlphaThresholdFilter.cpp
@@ -306,9 +306,9 @@ void SkAlphaThresholdFilterImpl::flatten(SkWriteBuffer& buffer) const {
 bool SkAlphaThresholdFilterImpl::onFilterImage(Proxy*, const SkBitmap& src,
                                                const SkMatrix& matrix, SkBitmap* dst,
                                                SkIPoint* offset) const {
-    SkASSERT(src.config() == SkBitmap::kARGB_8888_Config);
+    SkASSERT(src.colorType() == kPMColor_SkColorType);
 
-    if (src.config() != SkBitmap::kARGB_8888_Config) {
+    if (src.colorType() != kPMColor_SkColorType) {
         return false;
     }