Make AndroidOptions const

src/codec/SkAndroidCodec.cpp

Index: src/codec/SkAndroidCodec.cpp
diff --git a/src/codec/SkAndroidCodec.cpp b/src/codec/SkAndroidCodec.cpp
index 086caf2d8129f30e00de197802e2358ff24a2a99..5b153dc094d2215164ee3b607c36895393828b7a 100644
--- a/src/codec/SkAndroidCodec.cpp
+++ b/src/codec/SkAndroidCodec.cpp
@@ -94,7 +94,7 @@ SkISize SkAndroidCodec::getSampledSubsetDimensions(int sampleSize, const SkIRect
 }
 
 SkCodec::Result SkAndroidCodec::getAndroidPixels(const SkImageInfo& info, void* pixels,
-        size_t rowBytes, AndroidOptions* options) {
+        size_t rowBytes, const AndroidOptions* options) {
     if (!pixels) {
         return SkCodec::kInvalidParameters;
     }