tree 7b7ac519889f678ffd90d59e0b2cd4e6d88700cc
parent eefe399495624efe3b88eefc199850dca502844e
author Luke Huang <huangluke@google.com> 1554806509 +0800
committer Luke Huang <huangluke@google.com> 1555926217 +0800

Make DNS cache lifecycle management explicit

1. ConnectivityService calls netd binder to create/destroy network directly.
2. Call dnsresolver binder to create/destroy cache after create/destroy network.
3. Remove unused network create/destroy methods in NetworkManagementService.

Bug: 129453995
Test: atest FrameworksNetTests
Change-Id: I15660d27f735e33d621d4af8972cdf115bf76dfa