Elements on the subpage get disabled if there are no enabled shortcut targets for the relevant type.
In the case of A11y button, the items on its fragment become unsearchable when the setting is disabled.
Test: Manually verify conditions described above & in bug
Bug: 349180207
Flag: com.android.settings.accessibility.fix_a11y_settings_search
Change-Id: Id39e2eda6c9d1de4cdbfcbc22b8a1f443e2822d9
Properly integrating GESTURE into Settings, so that text pertaining to the gesture shortcut are displayed when appropriate.
Heavy refactoring has been done to allow for easier cleanup and expansion
Demo video: https://x20web.corp.google.com/users/jo/jonesriley/splitShortcut/a11ySettingsGestureCompat.mp4
NO_IFTTT=changes do not alter the order of the shortcuts.
Bug: 365570709
Test: atest com.android.settings.accessibility
Flag: android.provider.a11y_standalone_gesture_enabled
Change-Id: If90719763a48e3b8bc35988a1de9a352a766953b
1. Add gesture preference controller for gesture navigation
2. Auto update the preview illustarion when screen reader is on
3. Auto update accessibility button title for system navigation
Bug: 190563948
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AccessibilityButtonGesturePreferenceControllerTest ROBOTEST_FILTER=AccessibilityButtonPreviewPreferenceControllerTest ROBOTEST_FILTER=AccessibilityLayerDrawableTest ROBOTEST_FILTER=AccessibilityPreferenceControllerTest ROBOTEST_FILTER=AccessibilityButtonFooterPreferenceControllerTest
Change-Id: Ifa98fc029430d86d3143133b3203b239340f2e41
