Use hasIpv[4|6]DefaultRoute instead of hasIPv[4|6]DefaultRoute

ConnectivityService is going to be a mainline module, it can only
use formal APIs or @SystemApi. So use @SystemApi
hasIpv4DefaultRoute and hasIpv6DefaultRoute instead of
hasIPv4DefaultRoute and hasIPv6DefaultRoute.

Bug: 172183305
Test: atest FrameworksNetTests
Change-Id: I67e5fa234fbb6d0b9739ae3295eb0b0ea108f582
1 file changed
tree: bed0294644dd8241f95c855c93f2a4288a1de811
  1. core/
  2. services/
  3. tests/