[AWARE] Add AutoCloseable interface/implementation

Make resource holding classes AutoCloseable. These are objects
which (already) require the client to call a destroy() method.

Note: the destroy() method was renamed to close() - no sense in
identical/duplicate methods.

(cherry-pick of commit 6a4572c89671d9320620eb0ef071dfe0a01de901)

Bug: 37514387
Test: unit tests and integration (sl4a) tests passing.
Change-Id: Ia14065ab9dcd92481412532bfdb198f2e8d9f83c