Remove user of GraphicsJNI::createBitmap

Change-Id: I2f31bf98ed08eb4bd39a6ce7236c7a23ef309177
diff --git a/core/jni/android/graphics/BitmapFactory.h b/core/jni/android/graphics/BitmapFactory.h
index a54da43..22a955f 100644
--- a/core/jni/android/graphics/BitmapFactory.h
+++ b/core/jni/android/graphics/BitmapFactory.h
@@ -21,4 +21,6 @@
 
 jstring getMimeTypeString(JNIEnv* env, SkImageDecoder::Format format);
 
+jobject decodeBitmap(JNIEnv* env, void* data, size_t size);
+
 #endif  // _ANDROID_GRAPHICS_BITMAP_FACTORY_H_