supplicant(vts): More tests

These tests just invoke the HIDL interface API's and ensure
that they succeed or not. Some of these API's (especially P2P) need
multi device testing (AP, Peer) to ensure that they work.

Bug: 33457575
Test: adb shell /data/supplicant_hidl_test
Change-Id: Ibf547b5ed95895c429c8bcb59e4c43b3b436338f
5 files changed