Chiachang Wang 686e7c02e0 Data stall detection using DNS event
If dns resolver on a network get consecutively timeout then it
is a strong signal that the network is no longer usable.
Reevaluate the network once it's data stall suspected

Test: 1. runtest frameworks-net
      2. SettingsBackupTest passes
      2. Run on wifi w/o internet capability
Bug: 112653893, 113916551

Change-Id: I74287b174d933f97a91fa1529b1809856ac3b38d
2018-11-27 18:00:05 +08:00
Description
android_packages_modules_Connectivity
189 MiB
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