Remove code referencing Google protocol buffers version 1.


git-svn-id: http://googletest.googlecode.com/svn/trunk@679 861a406c-534a-0410-8894-cb66d6ee9925
Add annotations to suppress ThreadSanitizer failures due to gunit/gmock printer.


git-svn-id: http://googletest.googlecode.com/svn/trunk@680 861a406c-534a-0410-8894-cb66d6ee9925