Add kt_enum_transform instr test
Add kt_enum_transform instr test

Summary:
- Make `redex_filecheck_test` compatible with Kotlin
- Add the 1st set of test cases for enum to int transformation for Kotlin enums

Reviewed By: beicy

Differential Revision: D39786357

fbshipit-source-id: e4cc28364906cb2fa37382d872a5ac2662a211b6

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex