PFW: parameter access code reuse

BZ: 13283

Path navigator embeds a navigate and validate functionality
that spares parameter manager from replicating code between
get and set parameter contexts.

Change-Id: Ic7c950660cd8c22b233ce02238fa1a66649a501b
Signed-off-by: Patrick Benavoli <patrickx.benavoli@intel.com>
Reviewed-on: http://android.intel.com:8080/25403
Reviewed-by: Barthes, FabienX <fabienx.barthes@intel.com>
Tested-by: Barthes, FabienX <fabienx.barthes@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
4 files changed