Resolve ambiguous argument.

CTS tests don't have access to TestNetworkAgent and therefore
require overloading this method, which means 'null' is ambiguous.

Bug: 139268426
Test: FrameworksNetTests
Change-Id: I9279718bde30bd98eff901921fb3411d22da72e5
1 file changed
tree: cb5a316e28b0a9a8795959541ab73c8f750fe10a
  1. core/
  2. services/
  3. tests/