Skip hostside tethering test if not SdkLevel.isAtLeastB()

HostsideTetheringTest#testSoftApConfigurationRedactedForOtherApps is
only applicable in B+, so skip it if not.

Bug: 403129363
Test: atest HostsideTetheringTests
Change-Id: I6b4be858befcabb1892ee4113ac2cf17b5d49ca5
1 file changed