Add a 45 second timeout option for Screen, Dream and Lock timeouts.

The following languages don't use Arabic numerals, e.g. "45", so the
text for the "45 seconds" entries are just copies of the text that
already existed for "30 seconds". It's easy to fix these... if you
know those languages
 - values-bn-rBD
 - values-fa
 - values-km-rKH
 - values-my-rMM
 - values-ne-rNP

This language is missing a lot of items and doesn't even have the
normal timeout entries
 - values-ky-rKG

Change-Id: Id4252eb38f5137ab493da4263c66b82c8c01924d