Update ADD_TYPE_WINDOW_CONTROL to ENABLE_TYPE_WINDOW_CONTROL

Renaming it so it can be non-fixed, to unblock the ramp up process

Bug: 346947478
Flag: android.view.accessibility.enable_type_window_control
Test: refactoring CL
Change-Id: Ie689db98f06d308dd22c83e1a9e641f09e0bd1f1
3 files changed