https://bugzilla.tianocore.org/show_bug.cgi?id=2505
* Add plugin to build and run host based unit tests
* Add plugin that performs a DSC complete check DSC files
used to build host based tests
* Update DscCompleteCheck plugin to ignore module INFs with
a MODULE_TYPE of HOST_APPLICATION and library INFs that
only support a module type of HOST_APPLICATION.
* Fix issues in XML reports from checkers.
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Bret Barkelew <Bret.Barkelew@microsoft.com>