解决Android SDK Manager更新失败问题
使用SDK Manager更新时无法完成，更新ADT时无法解析https://dl-ssl.google.com/android/eclipse，提示Failed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.xml, reason: Connection to http://dl-ssl.google.com refused
使用SDK Manager更新时无法完成，更新ADT时无法解析https://dl-ssl.google.com/android/eclipse，提示Failed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.xml, reason: Connection to http://dl-ssl.google.com refused
