Add missing isShellUser check Bug: 160390416 Test: verified command still works from shell Change-Id: I23bb06e00f1623e4f27c02d7eb2c0d273b40771b Merged-In: I23bb06e00f1623e4f27c02d7eb2c0d273b40771b (cherry picked from commit bfdb7121ef7ae85520abbdcb4b9d05923d91999c)