Update tests for renaming groupHint to cluster.

Bug: 146460486
Test: atest FrameworksWifiTests
Change-Id: I33319b2eed25d064a5d7e55a7eae7f57da18f445
Merged-In: I139e46c1f9d56058c0b724092d145df275b6506e
(cherry-picked from aosp/1317399)
1 file changed