These were not working on some screens due to portrait/landscape
layout issues. The worst cases were the "basics" screen and "exchange",
but I cleaned up all of the screens that had similar issues.
Resolves bug 2070902 which made it difficult to create accounts on
some devices.
bottom of the screen.
Also removed an extra ':' in a string on the screen (none of the other
label strings have ':').
BUG=1740626
Automated import of CL 148485
the shipping client will include the necessary generic pieces for
configuring an Exchange client (e.g. account setup) but will not
include actual Exchange client code (e.g. transport / protocol).
Also added a "sample code" implementation of Exchange for use
as a starting point for implementors. (Note, this will not ship
in Donut, it's a placeholder for working on the "framework"
aspects.)
BUG=1740621,1740626
Automated import of CL 144525
