Add READ_PHONE_NUMBERS permission to ManagedProfile CTS app

TelecomManager.getPhoneAccount() starts to require READ_PHONE_NUMBERS
for apps targeting SDK level 31. Add that permission to fix test
breakage.

Bug: 195475752
Test: atest ManagedProfileTest#testPhoneAccountVisibility
Change-Id: I31879b19bf1009fa56a0023f86dbab6e6c7aac46
1 file changed