MdeModulePkg/CapsuleApp: Enhance CapsuleApp to support Capsule-on-Disk

MdeModulePkg/CapsuleApp: Enhance CapsuleApp to support Capsule-on-Disk

BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=1482

CapsuleApp is used for trigger capsule update.
Add -OD option in CapsuleApp to support doing capsule update via storage.
Add -F and -L options to support dumping information feature.
Finish unit test for -F and -L options.
Already verify this feature on Denlow platform, success to update capsule
via hard disk with -OD option.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Zhang Chao B <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chen A Chen <chen.a.chen@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>