Clear TrafficStats cache before getting readings from TrafficStats
Currently, TrafficStats have rate-limit on all get* APIs.
It is possible that result of uid traffic is updated but result
of iface is not. Thus, clear cache before read.
Test: atest CtsNetTestCases:android.net.cts.IpSecManagerTest#testIkeOverUdpEncapSocket --rerun-until-failure 100
Test: atest FrameworksNetIntegrationTests:com.android.server.net.integrationtests.NetworkStatsIntegrationTest
Bug: N/A
Change-Id: I1b7574d3062837fdded79cb945b582f2afad859b
2 files changed