Integrate Education UI with AppHandleEducationController

Integrate Education UI class WindowingEducationViewController with AppHandleEducationController.
Integrate WindowDecorCaptionHandleRepository with AppHandleEducationController to listen for triggers for all three tooltips.

Fixes: 365054977
Fixes: 365054970
Fixes: 365054137
Test: atest AppHandleEducationControllerTest
Test: atest AppHandleEducationFilterTest
Flag: com.android.window.flags.enable_desktop_windowing_app_handle_education
Change-Id: I78815e8627a446516b40dbc11e305f6bb415c95d