[NAN-AWARE] Rename NAN to Aware [DO NOT MERGE]

~Rename only (and any reformatting needed to pass lint) - no
functional changes!

Remove android.net.wifi.nan.STATE_CHANGED from manifest:
redundant/remnant of an older configuration.

Bug: 32263750
Test: All unit tests and integration (sl4a) tests pass.
Change-Id: I6866f8825101a32adb9b05d83f0d9d3792b478b7