[Connected Displays] Do not use skip screenshot flag for mouse cursor

This is a temporary fix that removes the SKIP_SCREENSHOT flag for the
mouse cursor on external displays when the connected displays developer
options override is enabled.

This will make mouse cursor visible on recordings and screenshots of the
secure windows on external displays.

Bug: 417951134
Bug: 412777943
Test: atest inputflinger_tests and manual
Flag: EXEMPT BUGFIX
Change-Id: I21a247aa315c98bfbfb2479550d167fdd3b2d18c