Revert "[DO NOT MERGE] iorap: Turn off iorap for R before resolving the regression. am: b73d5516"

This reverts commit a5a0ab7e, reversing
changes made to c6bd47a4.

- It was removed from aosp here: http://r.android.com/1440211
- Incorrect DO NOT MERGE here: go/ag/13194361
- Really strange auto-merge here: ag/13203448

Test: No
Change-Id: Ia412a74d430c0ee594c17b86cb451b36737cf310