[AWARE] Add API to expose supported cipher suites

Provide a new Aware capabilities API which exposes the supported
cipher suites. These cipher suites are used to negotiate the data-
path. The framework automatially selects the strongest cipher suite
when it initiates a negotiation.

Bug: 145697276
Bug: 111446262
Test: atest com.android.server.wifi.aware
Test: (CTS) atest SingleDeviceTest
Change-Id: Ic9ec46a2aa578fa97cb174ca9745c5320ff07b52