change SkStreams to work with sk_sp<SkData> instead of SkData*

src/ports/SkFontMgr_android.cpp

Index: src/ports/SkFontMgr_android.cpp
diff --git a/src/ports/SkFontMgr_android.cpp b/src/ports/SkFontMgr_android.cpp
index 8d2bc6b04a9c69ff9805af52035d698d0d76fed5..8a1916a59b74fe01563d8f62343f25e661c0441c 100644
--- a/src/ports/SkFontMgr_android.cpp
+++ b/src/ports/SkFontMgr_android.cpp
@@ -406,7 +406,7 @@ protected:
     }
 
     SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const override {
-        return this->createFromStream(new SkMemoryStream(data), ttcIndex);
+        return this->createFromStream(new SkMemoryStream(sk_ref_sp(data)), ttcIndex);
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override {