Remove read check for xt_idletimer dir.

untrusted_app does not need read permission for the xt_idletimer dir,
but rather just needs to make sure the kernel module is present. Remove
the canRead() check as getattr is sufficient for the latter need.

(cherry-picked from commit: ce3a216d2f54ddf56821373ecc9d1d9388e110f5)

Bug: 26792534
Change-Id: Ifccd6712336389ba7cd7424c5304c1056e0e05ef
1 file changed