move some public headers into private

gyp/animator.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #Animator is basically Skia's (much saner) version of Flash.
 #On top of Views it provides a declarative UI model which can be updated
 #based on events which trigger changes or scripts.
 
 {
   'targets': [
     {
       'target_name': 'animator',
       'product_name': 'skia_animator',
       'type': 'static_library',
       'standalone_static_library': 1,
       'dependencies': [
         'skia_lib.gyp:skia_lib',
         'views.gyp:*',
         'xml.gyp:*',
       ],
       'include_dirs': [
         '../include/animator',
+        '../include/private',
         '../src/utils',
       ],
       'sources': [
         '../src/animator/SkADrawable.cpp',
         '../src/animator/SkADrawable.h',
         '../include/animator/SkAnimator.h',
         '../include/animator/SkAnimatorView.h',
 
         '../src/animator/SkAnimate.h',
         '../src/animator/SkAnimateActive.cpp',
@@ skipping 147 matching lines @@
         '../src/animator/SkXMLAnimatorWriter.h',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../include/animator',
         ],
       },
     },
   ],
 }