Added access to internal/usermanagement privilege for admin user type
Added access to internal/usermanagement privilege for admin user type

(https://review.tizen.org/gerrit/#/c/48086/).

Change-Id: I714de6763b6f75e5f5c8bbc6f505abe7c0fa278d
Signed-off-by: jooseong.lee <bbeac0524397ddf05aa0e42cc0a483f56ccc461d@samsung.com>

Samsung/security-manager,Samsung/security-manager,Samsung/security-manager