This patch changes NetworkNotificationManagerTest to populate extraInfo
of NetworkInfo in order to catch regressions in malformed format Strings
of log statements in NetworkNotificationManager.
Test: verified that the test fails when reintroducing the format String
bug.
Bug: 33737715
(cherry picked from commit 3cb1d2b45d)
Change-Id: Ic2f23e860a17cb83b90edcfd2ba365134cacfe36