Add flag for removing SKIP_SCREENSHOT for mouse cursor

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

Bug: 417951134
Bug: 412777943
Test: atest inputflinger_tests and manual
Flag: EXEMPT BUGFIX
Change-Id: Iff4341f82a5a3ffbb314293ce77910a953e77f87