Debugger: LLDB related dumper fixes

QTime, boost::bimap size, QAtomicInt

Change-Id: I0239dd8fcee28ffd1e599300a1c12f3215823573
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: Improve QVariant dumper

Access to the is_shared flag seems somewhat indeterministic
across platforms/compilers. Hard-code to non-shared for now.

Change-Id: Iaac9dd8fcee28ffd1e599300a1c12f3215823573
Reviewed-by: hjk <hjk121@nokiamail.com>