Fix logcat `class_replacer`
Fix logcat `class_replacer`

Summary: This was forgotten to be updated to access the name correctly.

Reviewed By: newobj

Differential Revision: D21408238

fbshipit-source-id: dbcad035db52223684da193a40a5c40b3eb93129

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