DO NOT MERGE: WM: Only allow system to use NO_INPUT_CHANNEL.
NO_INPUT_CHANNEL is a hidden WM flag that allows creation of a window
without an input channel. Unfortunately in releases prior to Android R
this would allow creation of a Window which will not be known to the
InputDispatcher at all. This means that the logic generating
FLAG_OBSCURED will work and a window will be able to overlay another
window without the overlayed window being notified. In Android R and
later this isn't a problem as the InputDispatcher is informed of all
windows, input channel or not. For past Android releases, this patch
disables NO_INPUT_CHANNEL for use outside of the WM.
Test: Existing tests pass
(cherry picked from commit 514b3297768f4a7469117a7005556663124040f9)
3 files changed