Make clang the default Android compiler.

gyp/freetype.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.
 # Target for building freetype.
 {
   'targets': [
     {
       'target_name': 'freetype',
       'type': 'none',
@@ skipping 87 matching lines @@
             '-fPIC',
             '-DPIC',
             '-DDARWIN_NO_CARBON',
             '-DFT2_BUILD_LIBRARY',
             '-O2',
           ],
         }],
         [ 'skia_clang_build == 1', {
           'cflags':[
             '-Wno-error',
+            '-Wno-self-assign',

[mtklein, 2016/04/25 17:44:17]

Probably better to add blanket '-w' to both these third_party GYPs

           ],
         }],
       ],
     },
   ],
 }