Uses a wrapper class of EvsDisplay object

This change implements HalDisplay, which wraps IEvsDisplay object
returned by the driver, to be able to manage its lifecycle gracefully.

Bug: 129155159
Test: Build and tested with evs sample applications on Hawk.
Change-Id: Ie264a113b54a7570ff0a8f3e37df9d5467cecd0e
Signed-off-by: Changyeon Jo <changyeon@google.com>
(cherry picked from commit 49ac7e47d9817e313818a4801abc3e4ed3c36b73)
5 files changed