Fix test after ag/3881475.

A side effect of warning for light greylist accesses is that we also check
the API exemptions list for then, changing the return value for such APIs
from AllowButWarn to Allow.

Bug: 64382372
Test: art/test.py --host -t 674-hiddenapi
Change-Id: I45f50e5e2ab37b1c8adb09f198e268390dd84e55
1 file changed