Revert D26299594: [PyTorch Mobile] 15KiB size reduction by reducing MaxTypeIndex from 256 to 32
Test Plan: revert-hammer
Differential Revision:
D26299594 (https://github.com/pytorch/pytorch/commit/9e54532947e4ff06e4265c61e0f9bf3577ef54f7)
Original commit changeset: 9a78c03da621
fbshipit-source-id: 2be1149539892447872eb3289f3fdef0ac92c090
