finagle,util: Fix pants BUILD to junit_tests
finagle,util: Fix pants BUILD to junit_tests

Problem

Tests should be called junit_tests.

Solution

Fix pants BUILD files that incorrectly refer to them as scala_library or java_library

RB_ID=551996

tenghuihua/util,travisbrown/util,slackhappy/util,cogitate/twitter-util-uuid,tenghuihua/util,tdyas/util,tenghuihua/util,wuqiangxjtu/util,slackhappy/util,cogitate/twitter-util-uuid,stremlenye/util,travisbrown/util,travisbrown/util,RUNDSP/util,Jiri-Kremser/util,edombowsky/util,edombowsky/util,cogitate/twitter-util-uuid,stremlenye/util,tdyas/util,twitter/util,tdyas/util,hydro2k/util,nkhuyu/util,hydro2k/util,BuoyantIO/twitter-util,nkhuyu/util,hydro2k/util,tdyas/util,Jiri-Kremser/util,stremlenye/util,folone/util,RUNDSP/util,LitmusHealth/twitter-utils,edombowsky/util,travisbrown/util,LitmusHealth/twitter-utils,BuoyantIO/twitter-util,RUNDSP/util,slackhappy/util,Jiri-Kremser/util,folone/util,slackhappy/util,RUNDSP/util,folone/util,BuoyantIO/twitter-util,Jiri-Kremser/util,stremlenye/util,twitter/util,hydro2k/util,edombowsky/util,wuqiangxjtu/util,LitmusHealth/twitter-utils,cogitate/twitter-util-uuid,wuqiangxjtu/util,nkhuyu/util,BuoyantIO/twitter-util,LitmusHealth/twitter-utils,tenghuihua/util,wuqiangxjtu/util,nkhuyu/util,twitter/util,folone/util