Add AccessibilityNodeInfo#getBoundsInWindow

We can already get the bounds in terms of the screen and the parent view, but not the containing window.
Fix:253059851
Test: atest FrameworksCoreTests:AccessibilityNodeInfoTest CtsAccessibilityTestCases:AccessibilityNodeInfoTest

Change-Id: Ie86a77951a30e2360c5e491cadb763bf847519c2