Mark existing image filter entry points that will be going away with Deprecated

src/core/SkLocalMatrixImageFilter.cpp

Index: src/core/SkLocalMatrixImageFilter.cpp
diff --git a/src/core/SkLocalMatrixImageFilter.cpp b/src/core/SkLocalMatrixImageFilter.cpp
index 5dce4190a90d7323f5b1b7c3b35fb76c7d2f1ffd..4a9dea35bb7fe8dd68c4ffd4f9570649cf65e6d2 100644
--- a/src/core/SkLocalMatrixImageFilter.cpp
+++ b/src/core/SkLocalMatrixImageFilter.cpp
@@ -38,10 +38,11 @@ void SkLocalMatrixImageFilter::flatten(SkWriteBuffer& buffer) const {
     buffer.writeMatrix(fLocalM);
 }
 
-bool SkLocalMatrixImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx,
-                                             SkBitmap* result, SkIPoint* offset) const {
+bool SkLocalMatrixImageFilter::onFilterImageDeprecated(Proxy* proxy, const SkBitmap& src,
+                                                       const Context& ctx,
+                                                       SkBitmap* result, SkIPoint* offset) const {
     Context localCtx(SkMatrix::Concat(ctx.ctm(), fLocalM), ctx.clipBounds(), ctx.cache());
-    return this->filterInput(0, proxy, src, localCtx, result, offset);
+    return this->filterInputDeprecated(0, proxy, src, localCtx, result, offset);
 }
 
 bool SkLocalMatrixImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& matrix,