Remove old and unused Android font host code

src/ports/FontHostConfiguration_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 FONTHOSTCONFIGURATION_ANDROID_H_
-#define FONTHOSTCONFIGURATION_ANDROID_H_
-
-#include "SkTDArray.h"
-
-/**
- * The FontFamily data structure is created during parsing and handed back to
- * Skia to fold into its representation of font families. fNames is the list of
- * font names that alias to a font family. fFileNames is the list of font
- * filenames for the family. Order is the priority order for the font. This is
- * used internally to determine the order in which to place fallback fonts as
- * they are read from the configuration files.
- */
-struct FontFamily {
-    SkTDArray<const char*>  fNames;
-    SkTDArray<const char*>  fFileNames;
-    int order;
-};
-
-/**
- * Parses all system font configuration files and returns the results in an
- * array of FontFamily structures.
- */
-void getFontFamilies(SkTDArray<FontFamily*> &fontFamilies);
-
-/**
- * Parse the fallback and vendor system font configuration files and return the
- * results in an array of FontFamily structures.
- */
-void getFallbackFontFamilies(SkTDArray<FontFamily*> &fallbackFonts);
-
-/**
- * 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);
-
-struct AndroidLocale {
-    char language[3];
-    char region[3];
-};
-
-void getLocale(AndroidLocale &locale);
-
-#endif /* FONTHOSTCONFIGURATION_ANDROID_H_ */