DO NOT MERGE:Deflaky testLoggingStats_search_success

This is a test-only change.
The test is trying to verify the total latency is greater than 0ms.
But if the process goes really fast, it could be done < 1ms so the total
latency is 0ms.

This issue is fixed in Android T and above in ag/16995926.

Bug: 259157403
Test: AppSearchLoggerTest
Change-Id: I15977c7b5ade1109310a98a3e9a21a406b3070a7