Fix duration metric dimension test

The metric became invalid with the new duration metric rules. The
previous definition also made no conceptual sense, so I changed the
definition and the assertions.

Test: atest android.cts.statsd.metric.DurationMetricsTests#testDurationMetricWithDimension
Bug: 174862489
Change-Id: I63beee3c6d2141de79e06c9e81cc3ec814eb6280
1 file changed
tree: 7aec1033fab772a4fa12dfef272293b4993155bb
  1. tests/