Debugger: Consolidate metaObject recognition

Same code can be used for LLDB and GDB...

Change-Id: I07aae10fec28f01425cc13285504f57aef3afd25
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: Adjust auto test to protocol changes

Change-Id: I5cdf8f8c8a28b95fe29eddff9d8db8a0652847d2
Reviewed-by: hjk <hjk121@nokiamail.com>