Re-enable 2246 on jit-on-first-use

The CL to disable intrinsic optimizations landed, so re-enabling 2246 on
jit-on-first-use config.

Bug: 259258187
Test: art/test.py -t 2246 --jit-on-first-use
Change-Id: I350a9e8d41fe08f3721185d927acd8407d381e16
1 file changed