[login_manager] Improve accuracy of some log statements.
[login_manager] Improve accuracy of some log statements.

BUG=None
TEST=unit, install on device and run login_RemoteOwnership

Change-Id: I1e1595b8e2469f6499d00e65934a5d6f193d3625
Reviewed-on: http://gerrit.chromium.org/gerrit/10130
Commit-Ready: Chris Masone <98e3d65c6b0e9e2391eb4c2e8b1e572b77e544ed@chromium.org>
Tested-by: Chris Masone <98e3d65c6b0e9e2391eb4c2e8b1e572b77e544ed@chromium.org>
Reviewed-by: Mattias Nissler <f2124f8e21694335a48d099eb9510c5c4dda0d0b@chromium.org>

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