WifiCertManagerTest: disable failing test

Due to KeyStore changes, test is now failing due to an improper
design/impl.  Disable the test and need to determine if the code can
actually be completely removed.

Bug: 69555027
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Iefb738a42bd39abdefb72332398e2b9ed86c4dd0
1 file changed