wifi: add Trust On First Use API to WifiEnterpriseConfig

This API configures an Enterprise network to use
Trust On First Use to install CA certificate and
set domain name from the network automatically.

Bug: 196180536
Test: atest FrameworksWifiApiTests
Change-Id: I52159ffc080e7e7e5e9ba2a2c30e39829553a6fc
12 files changed