Make Power State column on admin instances translatable

Add missing reference to make the admin instances power state column
translatable.  Note that this improves the i18n behavior without requiring any
new translations.

Change-Id: I1a1a7640cb2a9efdf084227d325ad03a28fca6f9
Closes-Bug: #1392834
Updated from global requirements

Change-Id: I8459a46a64a616aa219515e777bc76578036b4dc
Merge "Updated from global requirements"
Merge "Make Power State column on admin instances translatable"