Chenbo Feng dc9c7fc7bf Check for bpf support at NetworkStatsService start
The current implementation check for bpf map existance whenever a
NetworkStats request comes in. The check is not efficient and may
require additional permission for threads. So a member variable is added
to NetworkStatsService to store the bpf configuration status and is
initialized when NetworkStatsService start.

Test: -m CtsNetTestCases -t android.net.cts.TrafficStatsTest
      -m CtsUsageStatsTestCases -t android.app.usage.cts.NetworkUsageStatsTest
Bug: 79994577

Change-Id: I872ae18fb3e9631a4e6c4d773fefbba32e60a03b
2018-05-18 17:10:07 -07:00
Description
android_packages_modules_Connectivity
189 MiB
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