Disable Protector feature on ChromeOS.
Disable Protector feature on ChromeOS.

BUG=None
TEST=None
Change-Id: I014cf8f5054cd4da1c24fa2c65edda368cc64707
Reviewed-on: https://gerrit.chromium.org/gerrit/13495
Tested-by: Ivan Korotkov <3203aac434ab42d5655110040e94f58b02b48add@chromium.org>
Commit-Ready: Ivan Korotkov <3203aac434ab42d5655110040e94f58b02b48add@chromium.org>
Reviewed-by: Nikita Kostylev <7857529256a44a19ab255c252a5ff27839cf3c91@chromium.org>

chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager