Add font "index" to lmp parser.

src/ports/SkFontConfigParser_android.cpp

Index: src/ports/SkFontConfigParser_android.cpp
diff --git a/src/ports/SkFontConfigParser_android.cpp b/src/ports/SkFontConfigParser_android.cpp
index eb2ed07f9e918f620c2b4f2feff9887a151a70a8..ffc60427f47a0d841288f8c9ff997e057f793385 100644
--- a/src/ports/SkFontConfigParser_android.cpp
+++ b/src/ports/SkFontConfigParser_android.cpp
@@ -159,6 +159,10 @@ static void font_element_handler(FamilyData* self, FontFileInfo* file, const cha
             if (!parse_non_negative_integer(value, &file->fWeight)) {
                 SkDebugf("---- Font weight %s (INVALID)", value);
             }
+        } else if (MEMEQ("index", name, nameLen)) {
+            if (!parse_non_negative_integer(value, &file->fIndex)) {
+                SkDebugf("---- Font index %s (INVALID)", value);
+            }
         }
     }
     XML_SetCharacterDataHandler(self->fParser, font_file_name_handler);