IntegrityAuditor: remove sleep from junit tests

IntegrityAuditor: remove sleep from junit tests

Modified the code to use a CurrentTime object for its "time" operations
(e.g., sleep(), currentTimeInMillis()). Modified junit tests to replace
the CurrentTime object with TestTime objects so they don't actually
do any sleeping.
Reformat "commit" message.
Remove TODO from junit test.
Init testTime in junit setUp().
Add AuditorTime and test classes.
Change "latch" to "semaphore" in comments.
Change time units in junit test from SECONDS to MILLISECONDS.
Add sleep() method to auditor test class.
Reorder field qualifiers.
Change utils scope to "compile" in pom.

Change-Id: I8aa8b642b315156c00422192e4aa8e47b4503c2f
Issue-ID: POLICY-908
Signed-off-by: Jim Hahn <jrh3@att.com>