Dispatch A11yEvents regardless of the AccessibilityDataPrivate property.

AccessibilityEvents should always be dispatched for otherwise-included
views, regardless of the source node's AccessibilityDataPrivate property.
Event filtering is performed later when AMS sends events to a11y services.

Fix: 265899846
Test: atest AccessibilityEndToEndTest
Test: Use TalkBack to explore by touch in the Security and Privacy
      section of the Settings app.
Change-Id: Ic54b09902bce8c4c161a66614b9510b2bce48dfb