Revert "Reverting usage of WindowManagerUtils in A11yMenuOverlayLayout to fix"

This reverts commit 6b8c31a3.

Bug: 407666525

Test: Flashed device and verfied the Accessibility menu opens as
expected.

Reason for revert: Fix added in b/406318166 will fix the issue reported here as well, hence reverting the cl.

Change-Id: I79c2493532e25612b8b227f0bf5c812e4ee32535