Add missing isShellUser check

Bug: 160390416
Test: verified command still works from shell
Change-Id: I23bb06e00f1623e4f27c02d7eb2c0d273b40771b
Merged-In: I23bb06e00f1623e4f27c02d7eb2c0d273b40771b
(cherry picked from commit 80a9cce44b52081033b730729c6ce0a1bb9edf87)
1 file changed