Update fontMgr to take list of bcp47 language tags.

src/ports/SkFontConfigParser_android.h

 /*
  * Copyright 2011 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SKFONTCONFIGPARSER_ANDROID_H_
 #define SKFONTCONFIGPARSER_ANDROID_H_
 
 #include "SkString.h"
 #include "SkTDArray.h"
 
 /** \class SkLanguage
 
     The SkLanguage class represents a human written language, and is used by
     text draw operations to determine which glyph to draw when drawing
     characters with variants (ie Han-derived characters).
 */
 class SkLanguage {
 public:
     SkLanguage() { }
     SkLanguage(const SkString& tag) : fTag(tag) { }
     SkLanguage(const char* tag) : fTag(tag) { }
     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
     */
     const SkString& getTag() const { return fTag; }
 
     /** Performs BCP 47 fallback to return an SkLanguage one step more general.
         @return an SkLanguage one step more general
     */
     SkLanguage getParent() const;
 
@@ skipping 62 matching lines @@
  * Parses all test font configuration files and returns the results in an
  * array of FontFamily structures.
  */
 void GetTestFontFamilies(SkTDArray<FontFamily*> &fontFamilies,
                          const char* testMainConfigFile,
                          const char* testFallbackConfigFile);
 
 } // SkFontConfigParser namespace
 
 #endif /* SKFONTCONFIGPARSER_ANDROID_H_ */