Move sleep to after restart.

Fix MetricActivationTests#testMultipleActivations.

Bug: 273653654
Bug: 272411436
Test: atest --no-bazel-mode CtsStatsdHostTestCases: android.cts.statsd.metric.MetricActivationTests\#testMultipleActivations
Change-Id: Id8dcdfc44dd28c4df7b0478da2c114020271ea4c
1 file changed