Add xterm's bracketed paste mode

Allow xterm's bracketed paste mode to work

When enabled by '\e[?2004h', pasted data is surrounded by \e[200~ and
\e[201~. This is mainly for text editors to temporarily switch off
autoindent and line wrapping.

http://invisible-island.net/xterm/ctlseqs/ctlseqs.html

This page have a .vimrc that will trigger this
https://bugzilla.gnome.org/show_bug.cgi?id=605299

Thanks to Egmont Koblinger for patch
BUG: 324946
FEATURE: 4.13

(cherry picked from commit 8082bcd2)