installer.cc: Increase default_socket_timeout instead of COMPOSER_PROCESS_TIMEOUT.
installer.cc: Increase default_socket_timeout instead of COMPOSER_PROCESS_TIMEOUT.

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools