Simply the upstream selection since U+ device for tethering refactor.
Changes:
1. Support automatic mode only on U+ device.
2. Add two tethering tests to make sure that the resource config can't
control automatic mode anymore. Expect that always automatic mode
on U+ device. Also limit some existing tethering tests for R, S,
or T.
Changes of TetheringTest:
- testAutomaticUpstreamSelectionWithConfigDisabled (U+) [new]
- testLegacyUpstreamSelection (T-)
- testChooseDunUpstreamByLegacyMode (T-)
- testChooseDunUpstreamByAutomaticModeWithConfigDisabled (U+) [new]
3. Add two tethering configuration tests to make sure that automatic
mode is always enabled no mater what the resource config or flag
are on U+ device. Also limit some existing tethering tests for R,
S, or T.
Changes of TetheringConfiguration:
- testChooseUpstreamAutomatically (T-)
- testChooseUpstreamAutomaticallyAfterT (U+) [new]
- testChooseUpstreamAutomatically_FlagOverride (R)
- testChooseUpstreamAutomatically_FlagOverrideOnSAndT (S, T)
(Renamed from testChooseUpstreamAutomatically_FlagOverrideAfterR)
- testChooseUpstreamAutomatically_FlagOverrideAfterT (U+) [new]
Bug: 257941865
Bug: 257408654
Test: atest TetheringTest
Change-Id: I7ace317a1529177a84557741dc07d732b7f8cf89
d15eb88619