passpoint-r2: set OSU flag in WifInfo

Bug: 122321935
Test: /frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: testing on UI by clicking OSU provider name.
Change-Id: If7dbf7c42501bc453acf9e84c3b600f3ab936714
Signed-off-by: Ecco Park <eccopark@google.com>
1 file changed