Disable ignoring validation on roam just after boot.

shouldIgnoreValidationFailureAfterRoam will incorrectly return
true in the first few seconds after boot even if the network
never roamed. This is extremely unlikely to happen, but add a
check for that just in case.

Fix: 230450214
Test: new unit test
Change-Id: I0789d9bdaa0bd9e78673e8f4248a2ca610052f1e
2 files changed