Minor code refactor Bug: 141833767 Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=DataUsagePreferenceControllerTest Change-Id: I060e7c880d91a0e5059610c5ceae319d47c19c7a
Minor code refactor Bug: 141833767 Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=DataUsagePreferenceControllerTest Change-Id: I060e7c880d91a0e5059610c5ceae319d47c19c7a