Update wifi test cases and sl4a wifi facades.

Add passpoint support in sl4a.
Add rtt tests that scan before rtt ranging.
Add enterprise test cases for EAP-SIM and passpoint.
Fix an issue that crashes sl4a in wifi rtt facade.

Change-Id: If2c41d43651e3267e5a1cbe10a932f6c651f17d1
2 files changed