hg: jdk8/build/langtools: Added tag jdk8-b120 for changeset b3d7e86a0647

[david . katleman]

Changeset: afe63d41c699
Author:    katleman
Date:      2013-12-12 05:21 -0800
URL:       http://hg.openjdk.java.net/jdk8/build/langtools/rev/afe63d41c699

Added tag jdk8-b120 for changeset b3d7e86a0647

! .hgtags