tether setting: Remove dual mode check for band convert
Some conutries don't support 5G only hotspot. Thus band convert should
not only work for dual mode device. It should general design since it
will be country dependency.
Bug: 148924644
Bug: 148764406
Test: Manual Test, use command to force country
1. adb root && adb shell cmd wifi force-country-code enabled GB
2. Change Band Setting to 5G prefer
Turn on hotspot to check log and make sure it will enable succeed.
Test:make RunSettingsRoboTests ROBOTEST_FILTER=CodeInspectionTest
Change-Id: I7828c62ef399244531a72aa35c89b71549e0d623
3 files changed