Enable crash keys for cast shell on android

chromecast/chromecast.gyp

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'android_support_v13_target%':
         '../third_party/android_tools/android_tools.gyp:android_support_v13_javalib',
     'cast_build_release': 'internal/build/cast_build_release',
     'chromium_code': 1,
@@ skipping 324 matching lines @@
             '../content/content.gyp:content_app_browser',
             '../content/content.gyp:content',
             '../skia/skia.gyp:skia',
             '../ui/gfx/gfx.gyp:gfx',
             '../ui/gl/gl.gyp:gl',
           ],
           'include_dirs': [
             '../breakpad/src',
           ],
           'sources': [
+            'android/cast_crash_keys_android.cc',
+            'android/cast_crash_keys_android.h',
             'android/cast_jni_registrar.cc',
             'android/cast_jni_registrar.h',
             'android/chromecast_config_android.cc',
             'android/chromecast_config_android.h',
             'android/platform_jni_loader.h',
             'app/android/cast_jni_loader.cc',
             'browser/android/cast_window_android.cc',
             'browser/android/cast_window_android.h',
             'browser/android/cast_window_manager.cc',
             'browser/android/cast_window_manager.h',
@@ skipping 169 matching lines @@
           # TODO(dougsteed): remove when Chromecast moves to boringssl.
           # Allow the cast shell to find the NSS module in the same directory.
           'ldflags': [
             '-Wl,-rpath=\$$ORIGIN'
           ],
         },
       ],  # end of targets
     }],
   ],  # end of conditions
 }