Separate LoadSgxEnclave into private method
Separate LoadSgxEnclave into private method

PiperOrigin-RevId: 265521154
Change-Id: I8938c105308a754b172a93a4e2106fd5cc76daae

google/asylo,google/asylo,google/asylo,google/asylo,google/asylo,google/asylo