update_verifier: read dir perms

Allow update_verifier to load the boot_control_hal in passthrough mode.

Test: update_verifier works, no denials
Bug: 34656553
Change-Id: I5c20ce67c8f1fd195f2429dae497221514ed95a8
(cherry picked from commit bafa38e0cec4cc32cf135b342874c14136ab3f29)
1 file changed