DRTVWR-489-emoji: Trying to get to the bottom of a TeamCity build failure with...

DRTVWR-489-emoji: Trying to get to the bottom of a TeamCity build failure with access to TeramCity - with all the ICU4C DLLs removed, the viewer builds fine which does suggest a size/disk space issue.  Trying with the (porposed) minimum set to see if this helps. Likely it won't because the main one (icudt48.dll) is much, much bigger than the others combined - but we shall see