[chromium_android recipes] Cleanup envsetup step and cleanup step names.

scripts/slave/recipe_modules/chromium_android/chromium_config.py

 # Copyright 2013 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.
 
 from RECIPE_MODULES.chromium import CONFIG_CTX
 
 @CONFIG_CTX(includes=['ninja'])
 def android_defaults(c):
   c.compile_py.default_targets=['All']
-  c.gyp_env.GYP_DEFINES['fastbuild'] = 1
+  c.gyp_env.GYP_CROSSCOMPILE = 1
+  c.gyp_env.GYP_GENERATORS.add('ninja')
+  c.gyp_env.GYP_GENERATOR_FLAGS['default_target'] = 'All'
+  gyp_defs = c.gyp_env.GYP_DEFINES
+  gyp_defs['fastbuild'] = 1
+  gyp_defs['OS'] = 'android'
+  gyp_defs['host_os'] = 'linux'
+  gyp_defs['gcc_version'] = 46
+  gyp_defs['order_text_section'] = ['orderfiles', 'orderfile.out']
+  gyp_defs['target_arch'] = 'arm'
+  
 
 @CONFIG_CTX(includes=['android_defaults', 'default_compiler', 'goma'])
 def main_builder(c):
   pass
 
 @CONFIG_CTX(includes=['android_defaults', 'clang', 'goma'])
 def clang_builder(c):
   pass
 
 @CONFIG_CTX(includes=['main_builder'])
 def component_builder(c):
   c.gyp_env.GYP_DEFINES['component'] = 'shared_library'
 
 @CONFIG_CTX(includes=['main_builder'])
 def x86_builder(c):
   pass
 
 @CONFIG_CTX(includes=['main_builder'])
 def klp_builder(c):
   pass
 
 @CONFIG_CTX(includes=['main_builder'])
 def try_builder(c):
   pass