
Add an enumeration for the various live priority values.

R=dmazzoni,pupius
DELTA=26  (26 added, 0 deleted, 0 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=2211


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@1009 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

Kuniwak/google-closure-library-jsdoc,prop/closure-library,homer6/google-closure-library,homer6/google-closure-library,KgDesignes/closure-library,homer6/google-closure-library,jarib/google-closure-library,knutwalker/google-closure-library,knutwalker/google-closure-library,rethinkdb/google-closure-library,KgDesignes/closure-library,rethinkdb/google-closure-library,Kuniwak/google-closure-library-jsdoc,jarib/google-closure-library,thinkfuse/google-closure,prop/closure-library,thinkfuse/google-closure,prop/closure-library,KgDesignes/closure-library,thinkfuse/google-closure,rethinkdb/google-closure-library