Name core/fxge/android files appropriately and use one file per class

core/fxge/android/cfpf_skiafontmgr.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
+// Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "core/fxcrt/fx_system.h"
+#include "core/fxge/android/cfpf_skiafontmgr.h"
 
 #define FPF_SKIAMATCHWEIGHT_NAME1 62
 #define FPF_SKIAMATCHWEIGHT_NAME2 60
 #define FPF_SKIAMATCHWEIGHT_1 16
 #define FPF_SKIAMATCHWEIGHT_2 8
 
 #include <algorithm>
 
 #include "core/fxcrt/fx_ext.h"
 #include "core/fxcrt/fx_memory.h"
-#include "core/fxge/android/fpf_skiafont.h"
-#include "core/fxge/android/fpf_skiafontmgr.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/android/cfpf_skiafont.h"
+#include "core/fxge/android/cfpf_skiafontdescriptor.h"
+#include "core/fxge/android/cfpf_skiapathfont.h"
 #include "core/fxge/fx_freetype.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 static unsigned long FPF_SkiaStream_Read(FXFT_Stream stream,
                                          unsigned long offset,
                                          unsigned char* buffer,
                                          unsigned long count) {
   IFX_SeekableReadStream* pFileRead =
@@ skipping 442 matching lines @@
       if ((uSerif > 1 && uSerif < 10) || uSerif > 13)
         pFontDesc->m_dwStyle |= FXFONT_SERIF;
     }
   }
   if (pOS2 && (pOS2->ulCodePageRange1 & (1 << 31)))
     pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC;
   pFontDesc->m_dwCharsets = FPF_SkiaGetFaceCharset(pOS2);
   pFontDesc->m_iFaceIndex = face->face_index;
   pFontDesc->m_iGlyphNum = face->num_glyphs;
 }