passpoint-r2: Implement getMatchingOsuProviders(List<ScanResult>) API

This API is required to support showing matching OSU Providers with scan
results on Settings UI.
Internally, previous API is merged into new API to take a list of
scanresults instead of a scanresult.

Bug: 119514793
Test: ./frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Ideb47d9634033541d248cfd2f21b6ef92f734311
Signed-off-by: Ecco Park <eccopark@google.com>
4 files changed