Jacky Kao 81167407c4 Supporting windows updated per display [Part III] ...

1. Getting all valid displays and starting or stopping the window
tracking when accessibility service enabled or disabled.
2. Updating the window tracking when any display is added or removed.
3. Making DisplayWindowsObserver class to be plural for multiple display.

Bug: 132854721
Test: a11y CTS & unit tests
Test: manually test talkback AP at second display
Change-Id: I1691f5c2092393a6ed396623e437e5d27e0cee9a

2019-08-22 16:27:58 +08:00

..

server/accessibility

Supporting windows updated per display [Part III]

2019-08-22 16:27:58 +08:00