lighttpd-starter: include default php-fcgi if no .lighttpd.conf is present

fix for missing condition to include default php handler, if user has no .lighttpd.conf file

Bug: 68499
Change-Id: Id279da97ff5e1f4a386213a720a166bd8e000990
Merge "lighttpd-starter: include default php-fcgi if no .lighttpd.conf is present" into production