Permission Check For DPM.getPermittedAccessibilityServices

Bug: 128599660
Test: com.android.server.devicepolicy.DevicePolicyManagerTest
Test: com.google.android.gts.devicepolicy.DeviceOwnerTest
Change-Id: I8be915bd6a4ff99884d23005a4c6f0100806dbe8
Merged-In: I8ee3f876fcaffa63636645f0f59709cd147254ef

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

@@ -6868,6 +6868,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
         if (!mHasFeature) {
             return null;
         }
+        enforceManageUsers();
         synchronized (this) {
             List<String> result = null;
             // If we have multiple profiles we return the intersection of the