Fix extra dim turns on failed in setting search bar

Root cause: Don't call displayPreference before setChecked called.
Solution: Don't show quick settings tooltips if preference is not ready.

Bug: 237850687
Bug: 244676175
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AccessibilityQuickSettingsPrimarySwitchPreferenceControllerTest
Change-Id: I52425190cce4ab3cf31be025a743bf8b212fa1f9
Merged-In: I52425190cce4ab3cf31be025a743bf8b212fa1f9