rollback_index: Add new index for recovery hash space

BUG=chrome-os-partner:59355
BRANCH=None
TEST=make runtests

Change-Id: Ia86922f2c1940c8b46eb938f208fb4afe4ebc175
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/408656
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed