Revert "Removed antlr2 dependency from build file."
Revert "Removed antlr2 dependency from build file."

This reverts commit f835ca2e940105cb93e84ef7a4d59966205b6ec3. Added dependency for antlr2

Migrated from Sable/mclab@ff96150ba4513e693aa920725d5c236a791e50cc

Sable/Mc2For,Sable/Mc2For