Remove ignore test case

Fixes: 147865441
Test: RunSettingsRoboTests ROBOTEST_FILTER=AssistFlashScreenPreferenceControllerTest
      RunSettingsRoboTests ROBOTEST_FILTER=DefaultAssistPreferenceControllerTest
      RunSettingsRoboTests ROBOTEST_FILTER=DefaultAutofillPickerTest
      RunSettingsRoboTests ROBOTEST_FILTER=StyleSuggestionActivityTest
Change-Id: I46f2d4b1dc38047bea3b287f11dcc71b7aed6c87
4 files changed