[split] util, ostrich: Update owners files
[split] util, ostrich: Update owners files

RB_ID=152921

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