Revert "Simplify addRoutesToLocalNetwork calls"

Revert submission 2777667

Reason for revert: DroidMonitor-triggered revert due to breakage, bug b/305187495

Reverted changes: /q/submissionid:2777667

Bug: 305187495

Change-Id: I516d40b20d775e9c61b2f825bc094329d016d0c3
2 files changed