Fix testUpdateConnectedClientsForLocalOnlyHotspot

testUpdateConnectedClientsForLocalOnlyHotspot should not run before T,
but it don't be ignored correctly because missing DevSdkIgnoreRule
setup.

Bug: 233077722
Test: TH
Change-Id: Ib2d241f927ccdc5d2bc392962481ecb86a223e09
1 file changed