Fixes for securitysrv (lockclient.dll) and btservices (btengconnman.dll) to resolve sysap.exe dependencies. Fix homescreensrv.

source,dst,type,pattern,sysdef
http://developer.symbian.org/oss/MCL/sf/mw/svgt/,/sf/mw/svgt,branch,RCL_3,layers.sysdef.xml