android sdk 更新用的HOSTS

74.125.113.121 developer.android.com
203.208.46.146 www.google.com
203.208.46.146 dl.google.com
203.208.46.146 dl-ssl.google.com
74.125.237.1       dl-ssl.google.com 
107.20.157.254   dl.htcdev.com