Previously Freeform Toggle was a no-op when freeform was by default available on devices
On the other hand Desktop mode toggle is displayed only when freeform IS available by default on the device. (This is because desktop mode support is tied to devices with default freeform capability.)
Also update toggle strings for a clearer user experience
Test: Updated tests
Bug: 348193756
Bug: 348186127
Flag: com.android.window.flags.show_desktop_windowing_dev_option
Change-Id: I29e36a939db78010bb3153e756f95bb6c21a31f9
Default value of this dev options solely depends on
enable_desktop_windowing_mode, which is intended
Toggle is shown only if DW is eligible on device
Currently this option only overrides features guarded by
enable_desktop_windowing_mode, later on it will be used to override a
few other DW features
Test: Added tests. Locally tested CUJs
Bug: 348186127
Bug: 348193756
Flag: com.android.window.flags.show_desktop_windowing_dev_option
Change-Id: I1c1f946b586a5ca0440b29879925ba1a624717aa
