Enable PCH usage for unit test sources
Enable PCH usage for unit test sources

Change-Id: I0ff53b0bd503df0a212ac49c2fdef32ea3946f0f
Reviewed-on: https://gerrit.dechocorp.com/13966
Reviewed-by: BJ Homer <9d87885f7c1ddf6a47c97747a5d80f2b14fd12c0@decho.com>

ccutrer/mordor,mozy/mordor,mtanski/mordor,adfin/mordor,mtanski/mordor,ccutrer/mordor,ccutrer/mordor,mtanski/mordor,adfin/mordor,mozy/mordor,mozy/mordor,adfin/mordor