Commit Message: Prevent overlays on Telephony settings screen. - Ensure only system overlays are allowed on telephony settings screens. Flag: NONE Security fix Bug: 335387175 Test: Manually launched activities to verify no overlays are possible. Files Changed: - src/com/android/phone/ADNList.java - src/com/android/phone/CallFeaturesSetting.java - src/com/android/phone/CdmaCallForwardOptions.java - src/com/android/phone/CdmaCallOptions.java - src/com/android/phone/ChangeIccPinScreen.java - src/com/android/phone/EmergencyDialer.java - src/com/android/phone/EnableIccPinScreen.java - src/com/android/phone/GsmIIntsAdditionalCallOptions.java - src/com/android/phone/GsmIIntsCallBarringOptions.java - src/com/android/phone/GsmIIntsCallForwardOptions.java - src/com/android/phone/GsmIIntsCallOptions.java - src/com/android/phone/SimContacts.java - src/com/android/phone/settings/fdn/BaseFdnContactScreen.java - src/com/android/phone/settings/fdn/DeleteFdnContactScreen.java - src/com/android/phone/settings/fdn/EditFdnContactScreen.java - src/com/android/phone/settings/fdn/FdnList.java - src/com/android/phone/settings/fdn/FdnSetting.java - src/com/android/phone/settings/fdn/GetPin2Screen.java Total Files Changed: 18 files