tree d525431afee379aaf4d24c4e8a7404b6cbdba3ca
parent d7a0f2984d1e275ee6724ef723211270a9780565
author Steven Moreland <smoreland@google.com> 1516395549 -0800
committer Steven Moreland <smoreland@google.com> 1516396172 -0800

Add 'blank_screen' util.

This can be transitioned to by init to shutdown the
screen thereby preventing init from either depending
on binder or accessing halified sysnodes directly.

Bug: 70846424
Test: manual + init use
Change-Id: I86893ee5d7118547cd073297c0626e474f366b82