Update fontMgr to take list of bcp47 language tags.

include/ports/SkFontMgr.h

Index: include/ports/SkFontMgr.h
diff --git a/include/ports/SkFontMgr.h b/include/ports/SkFontMgr.h
index 181fe9f6aa93dce9ef833ec38e7ded346ec25cd3..3b7b6eb24b5988d2b991eb39eae009592a39170e 100644
--- a/include/ports/SkFontMgr.h
+++ b/include/ports/SkFontMgr.h
@@ -64,14 +64,15 @@ public:
 
     /**
      *  Use the system fallback to find a typeface for the given character.
-     *  Note that bpc47 is a combination of ISO 639, 15924, and 3166-1 codes,
+     *  Note that bcp47 is a combination of ISO 639, 15924, and 3166-1 codes,
      *  so it is fine to just pass a ISO 639 here.
      *
      *  Will return NULL if no family can be found for the character
      *  in the system fallback.
      */
     SkTypeface* matchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
-                                          const char bpc47[], uint32_t character) const;
+                                          const char* bcp47[], int bcpLength,
+                                          SkUnichar character) const;
 
     SkTypeface* matchFaceStyle(const SkTypeface*, const SkFontStyle&) const;
 
@@ -118,7 +119,8 @@ protected:
                                            const SkFontStyle&) const = 0;
     // TODO: pure virtual, implement on all impls.
     virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
-                                                    const char bpc47[], uint32_t character) const
+                                                    const char* bcp47[], int bcpLength,
+                                                    SkUnichar character) const
     { return NULL; }
     virtual SkTypeface* onMatchFaceStyle(const SkTypeface*,
                                          const SkFontStyle&) const = 0;