The icons displayed in Accessibility are larger than others, they should
be the same size as app icons. Change the drawable's icon size to fix
it.
Fixes: 123411506
Test: visual, rebuild
Change-Id: Ib693dd2ac8e2e191e5ecb2d0d8d4fdac5a32a2de
For accessibilty settings, both on the main page
and the shortcut picker.
Also now observing settings that could be toggled
by the shortcut, so changes can be reflected immediately
in the settings ui.
Bug: 34621067
Fixes: 70335904
Test: Observe icons in settings and shortcut picker.
Toggling color inversion and color correction now changes
the setting ui immediately.
Change-Id: Id27b6471376059288ff971e5aea72d76078bef36
