Mobile upgrader: add GELU test modules
Test Plan: This is test code
Reviewed By: tugsbayasgalan
Differential Revision: D33858429
fbshipit-source-id: f5bc687ad81125f89cb281f9aa51dc5ac74d6954
(cherry picked from commit 202dff607e72d538c8b3fcd44382d11a401e52c5)
