Send AccessibilityWindowAttributes to accessibility-framework

We get the window bounds from InputWindowHanlde, however it doesn't
have all of window information. To get them from accessibility
perspective, ViewRootImpl will provide those information via
AccessibilityManger.

Bug: 210985169
Test: atest android.accessibilityservice.cts
      atest AccessibilityWindowManagerTest AccessibilityManagerServiceTest
      test with talkback
Change-Id: If3c35a6bcd073294c3b34ece95100207d3802ad7