EHN: Use mupip load to import globals on GT.M

to speed up global import processing time.

Change-Id: I33519ecbfff4b8e45a86b9b9ccc326b4fbf40791
OSEHRA-Id: http://issues.osehra.org/browse/OAT-74
Merge "EHN: Use mupip load to import globals on GT.M"