UnitTestFrameworkPkg/UnitTestLib: Update SaveFrameworkState() signature

UnitTestFrameworkPkg/UnitTestLib: Update SaveFrameworkState() signature

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2612

Removes the FrameworkHandle parameter from SaveFrameworkState() in the
UnitTestLib library instance and updates callers of the function in the
library to use the new function signature.

Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Bret Barkelew <bret.barkelew@microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>