Rename textual includes as *.inc.

tools/test_font_index.inc

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // Auto-generated by create_test_font.cpp
 
 static SkTestFontData gTestFonts[] = {
@@ skipping 79 matching lines @@
     { "Toy Liberation Sans", SkFontStyle::FromOldStyle(SkTypeface::kBoldItalic), gTestFonts[7], "LiberationSans-BoldItalic.ttf" },
     { "Toy Liberation Serif", SkFontStyle(), gTestFonts[8], "LiberationSerif-Regular.ttf" },
     { "Toy Liberation Serif", SkFontStyle::FromOldStyle(SkTypeface::kBold), gTestFonts[9], "LiberationSerif-Bold.ttf" },
     { "Toy Liberation Serif", SkFontStyle::FromOldStyle(SkTypeface::kItalic), gTestFonts[10], "LiberationSerif-Italic.ttf" },
     { "Toy Liberation Serif", SkFontStyle::FromOldStyle(SkTypeface::kBoldItalic), gTestFonts[11], "LiberationSerif-BoldItalic.ttf" },
 };
 
 const int gSubFontsCount = (int) SK_ARRAY_COUNT(gSubFonts);
 
 const int gDefaultFontIndex = 4;