Update the rowBytes when reconfiguring to match the new imageInfo.

bug: 20872840
Change-Id: Ic98a9d16e095c27ddcc193a18641732c1ee4bad0
diff --git a/core/jni/android/graphics/Bitmap.cpp b/core/jni/android/graphics/Bitmap.cpp
index 9babe82..2785c48 100755
--- a/core/jni/android/graphics/Bitmap.cpp
+++ b/core/jni/android/graphics/Bitmap.cpp
@@ -224,7 +224,7 @@
 }
 
 void Bitmap::reconfigure(const SkImageInfo& info) {
-    reconfigure(info, mPixelRef->rowBytes(), mPixelRef->colorTable());
+    reconfigure(info, info.minRowBytes(), nullptr);
 }
 
 void Bitmap::detachFromJava() {