DO NOT MERGE Re-restrict phone ops on user addition

When a user is added, the phone ops need to be re-restricted since
otherwise the new user will not have the restrictions until the device
is rebooted.

Bug: 186518774
Test: manual, atest AppOpsTest#ensurePhoneCallOpsRestricted
Change-Id: I2918b194198487184ad7f7401bc7d10738462639