Remove hidden API usages in VcnTransportInfo

VCN will be moved to a mainline module and #getSubId will no longer
be accessible. Also VcnTransportInfo will be a final class. This
pacth updates iwlan to use VcnUtils to get the subId and use
a Builder to construct a VcnTransportInfo instance

Bug: 369710077
Test: atest QualifiedNetworksServiceTests
Flag: EXEMPT pure refactoring
Change-Id: Iaa74f4ac1d57d94ea4defe79fe42d544d56a5ba4
2 files changed
tree: 4c4cf4a9d2001da82661090b719782b1e239acbb
  1. apex/
  2. libs/
  3. services/
  4. .gitignore
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING