We don't need xdisplaycheck any more with x11 disabled. Emacs and vim
are setup for Chromium, and are not really useful for us.
Change-Id: Ia04e8458ea24e1980918de7eab74705e56b90735
Manifest was updated in CL 7debbbe19b158ea7377e229a17ec1d3d9d19d1b8
to point to Chromium LGKR CL 253526.
There are some API refactoring in base, which result in some code
changes in our packager source.
Change-Id: I52bf5a8a4f8fe0ebc566677efcd572332db8f618