Passpoint-r2: set provider name for OSU AP in WifiInfo

When the connection is for OSU AP, it needs to set osu and Provider
name in WifiInfo so that WifiPicker and Settings can make use of this
information.

Bug: 124462043
Test: ./frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: Tested with OSU AP and confirmed that the info is set
correctly.
Signed-off-by: Ecco Park <eccopark@google.com>

Change-Id: Ibc5d59dbc0f6b5d3335b997870e789ec82e0fbfa
6 files changed