Mark fallback fonts in new Android font config parser

src/ports/SkFontConfigParser_android.cpp

 /*
  * 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.
  */
 
 #include "SkFontConfigParser_android.h"
 #include "SkTDArray.h"
 #include "SkTSearch.h"
@@ skipping 73 matching lines @@
         n = (n * 10) + d;
     }
     *value = n;
     return true;
 }
 
 namespace lmpParser {
 
 void familyElementHandler(FontFamily* family, const char** attributes) {
     // A non-fallback <family> tag must have a canonical name attribute.
-    // A (fallback) <family> tag may have lang and variant attributes.
+    // A fallback <family> tag has no name, and may have lang and variant
+    // attributes.
+    family->fIsFallbackFont = true;
     for (size_t i = 0; attributes[i] != NULL &&
                        attributes[i+1] != NULL; i += 2) {
         const char* name = attributes[i];
         const char* value = attributes[i+1];
         size_t nameLen = strlen(name);
         size_t valueLen = strlen(value);
         if (nameLen == 4 && !strncmp("name", name, nameLen)) {
             SkAutoAsciiToLC tolc(value);
             family->fNames.push_back().set(tolc.lc());
+            family->fIsFallbackFont = false;
         } else if (nameLen == 4 && !strncmp("lang", name, nameLen)) {
             family->fLanguage = SkLanguage (value);
         } else if (nameLen == 7 && !strncmp("variant", name, nameLen)) {
             // Value should be either elegant or compact.
             if (valueLen == 7 && !strncmp("elegant", value, valueLen)) {
                 family->fVariant = SkPaintOptionsAndroid::kElegant_Variant;
             } else if (valueLen == 7 && !strncmp("compact", value, valueLen)) {
                 family->fVariant = SkPaintOptionsAndroid::kCompact_Variant;
             }
         }
@@ skipping 469 matching lines @@
     if (NULL != testFallbackConfigFile) {
         parseConfigFile(testFallbackConfigFile, fallbackFonts);
     }
 
     // Append all fallback fonts to system fonts
     for (int i = 0; i < fallbackFonts.count(); ++i) {
         fallbackFonts[i]->fIsFallbackFont = true;
         *fontFamilies.append() = fallbackFonts[i];
     }
 }