Luke Huang 0b35214faa Add bypass private DNS test case and null network test for DnsResolver cts
1. add test case for testing bypass Private DNS
2. add null network test
3. minor change for cleanup

Bug: 130594022
Test: atest DnsResolverTest

Merged-In: I8dd48f11baf92d953ded237204a3c2cd3b58581d
(cherry picked from commit da665a0a78a2919c3e2edabafec463de3de9ddb7)

Change-Id: Iabb100c51fd80eca5ab0284bc891f4fb98492e8b
2019-05-30 11:58:52 +00:00
Description
android_packages_modules_Connectivity
189 MiB
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