Now that WifiTracker correctly handles eviction of stale scan results
only after scanning has resumed, it is no longer necessary to
conditionally fetch APs on app resumption.
Fix broken test.
Bug: 68030053
Test: runtest --path
tests/unit/src/com/android/settings/wifi/WifiSettingsUiTest.java
Change-Id: Ib4c8d6e53cf760fcb5f00069da40c578171c09f4
0f711f86a6