[split] Several small fixes towards getting birdcage-auto-ci green.
[split] Several small fixes towards getting birdcage-auto-ci green.

Reconcile dependency drift in jackson libs to fix compile errors.
Reconcile dependency drift in netty to fix a finagle-http test failure.
Upgrade pants to 0.0.34 to pickup a fix in the changed goal to ignore synthetic targets when calculating changed file owning targets.

Also add myself to OWNERS for top-level BUILD edit approvals.

RB_ID=162420

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