Update fontMgr to take list of bcp47 language tags.

src/ports/SkFontConfigParser_android.h

Index: src/ports/SkFontConfigParser_android.h
diff --git a/src/ports/SkFontConfigParser_android.h b/src/ports/SkFontConfigParser_android.h
index 117a1086fb90872303f467f9152f223d8ad18319..736b79840c3489058161150bc5fe74fa5e6532cb 100644
--- a/src/ports/SkFontConfigParser_android.h
+++ b/src/ports/SkFontConfigParser_android.h
@@ -25,6 +25,10 @@ public:
     SkLanguage(const char* tag, size_t len) : fTag(tag, len) { }
     SkLanguage(const SkLanguage& b) : fTag(b.fTag) { }
 
+    void set(const SkString& tag) { fTag.set(tag); }
+    void set(const char text[]) { fTag.set(text); }
+    void set(const char text[], size_t len) { fTag.set(text, len); }
+
     /** Gets a BCP 47 language identifier for this SkLanguage.
         @return a BCP 47 language identifier representing this language
     */