[Wi-Fi] WiFi Settings inclusive language fix plan phase 1

Replace WiFi related terms which contain Master wording.
Goal: Create a fixit for Android Platform to reduce the use of non-inclusive language for all code.

Bug: 161425297
Test: make RunSettingsRoboTests -j or
make RunSettingsRoboTests ROBOTEST_FILTER=DashboardFragmentTest
make RunSettingsRoboTests ROBOTEST_FILTER=WirelessDebuggingPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=AutomaticStorageManagementSwitchPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=AllInOneTetherPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=TopLevelNetworkEntryPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=PrimarySwitchPreferenceTest
make RunSettingsRoboTests ROBOTEST_FILTER=WifiPrimarySwitchPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=WifiTetherPreferenceControllerTest

Change-Id: I9395c50e092e124016609f88f7c8151554a0d874