[5/n CD Cursor] Enable cross-display drag gesture

Enable content drag and drop gesture to continue across display
bounries.

Bug: 393344208
Test: atest inputflinger_tests
Test: adb shell setprop persist.device_config.aconfig_flags.\
lse_desktop_experience.com.android.input.flags.connected_displays_cursor\
true && atest inputflinger_tests
Flag: com.android.input.flags.connected_displays_cursor

Change-Id: I58a501de1a047a3d363dc3f36a59a782f2d886bb