The existing isWifiTetheringSupported only check if tethering side supports wifi tethering or not but not wifi side. A expected behavior should include both of them, so add the wifi side check into the helper function. Also update in the existing caller side due to a new parameter added. Bug: 186061922 Test: atest MtsTetheringTestLatestSdk Change-Id: Id69ac1d30ab2bbf23e870193335b139f54672636