Fix error messages in hybrid_clock.cc

We return "Could" in a couple of places where we mean "Couldn't"

Change-Id: I21765e94601fb564d3e9b1513750a805db833997
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/8559
Reviewed-by: Michael Percy <mpercy@cloudera.com>
Reviewed-by: Todd Lipcon <todd@cloudera.com>
Tested-by: jenkins
(cherry picked from commit 62102ce67fe088a97f5862f53cc28ab86291c78b)
Reviewed-on: http://gerrit.cloudera.org:8080/1036
Tested-by: Todd Lipcon <todd@cloudera.com>
1 file changed