Add missing @throws tags to Verify.
Add missing @throws tags to Verify.

Pull request from Alberto Goffi <alberto.goffi@usi.ch>:
https://github.com/google/guava/pull/2106
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=98443748

yigubigu/guava,ignaciotcrespo/guava,tli2/guava,ignaciotcrespo/guava,jedyang/guava,google/guava,eidehua/guava,ChengLong/guava,SaintBacchus/guava,njucslqq/guava,disc99/guava,levenhdu/guava,GitHub4Lgfei/guava,tunzao/guava,mohanaraosv/guava,lijunhuayc/guava,marstianna/guava,DavesMan/guava,jackyglony/guava,allenprogram/guava,elijah513/guava,scr/guava,mway08/guava,thinker-fang/guava,5A68656E67/guava,1yvT0s/guava,aiyanbo/guava,rcpoison/guava,renchunxiao/guava,ChengLong/guava,mosoft521/guava,Ariloum/guava,GitHub4Lgfei/guava,mosoft521/guava,kaoudis/guava,rcpoison/guava,jakubmalek/guava,0359xiaodong/guava,manolama/guava,lisb/guava,yuan232007/guava,RoliMG/guava,easyfmxu/guava,thinker-fang/guava,dushmis/guava,monokurobo/guava,yuan232007/guava,paplorinc/guava,5A68656E67/guava,norru/guava,Xaerxess/guava,jiteshmohan/guava,liyazhou/guava,witekcc/guava,weihungliu/guava,juneJuly/guava,HarveyTvT/guava,DavesMan/guava,aditya-chaturvedi/guava,jayhetee/guava,Yijtx/guava,Ariloum/guava,pwz3n0/guava,xasx/guava,mohanaraosv/guava,m3n78am/guava,jackyglony/guava,qingsong-xu/guava,GabrielNicolasAvellaneda/guava,leesir/guava,allenprogram/guava,kingland/guava,mgalushka/guava,VikingDen/guava,tunzao/guava,jayhetee/guava,manolama/guava,pwz3n0/guava,jakubmalek/guava,montycheese/guava,disc99/guava,abel-von/guava,elijah513/guava,Akshay77/guava,leesir/guava,anigeorge/guava,rgoldberg/guava,BollyCheng/guava,norru/guava,DucQuang1/guava,witekcc/guava,abel-von/guava,m3n78am/guava,jankill/guava,taoguan/guava,r4-keisuke/guava,licheng-xd/guava,google/guava,gmaes/guava,SaintBacchus/guava,aditya-chaturvedi/guava,huangsihuan/guava,huangsihuan/guava,lisb/guava,google/guava,Yijtx/guava,dpursehouse/guava,qingsong-xu/guava,rob3ns/guava,Akshay77/guava,typetools/guava,anigeorge/guava,yigubigu/guava,easyfmxu/guava,eidehua/guava,mway08/guava,berndhopp/guava,ningg/guava,rob3ns/guava,AnselQiao/guava,lijunhuayc/guava,codershamo/guava,mgalushka/guava,0359xiaodong/guava,gmaes/guava,seanli310/guava,tli2/guava,RoliMG/guava,GabrielNicolasAvellaneda/guava,DucQuang1/guava,typetools/guava,leogong/guava,jiteshmohan/guava,1yvT0s/guava,fengshao0907/guava,yanyongshan/guava,hannespernpeintner/guava,Kevin2030/guava,flowbywind/guava,liyazhou/guava,r4-keisuke/guava,levenhdu/guava,fengshao0907/guava,VikingDen/guava,dpursehouse/guava,kingland/guava,ningg/guava,weihungliu/guava,juneJuly/guava,flowbywind/guava,codershamo/guava,BollyCheng/guava,paplorinc/guava,SyllaJay/guava,leogong/guava,jsnchen/guava,dushmis/guava,licheng-xd/guava,xasx/guava,marstianna/guava,lgscofield/guava,SyllaJay/guava,scr/guava,kaoudis/guava,seanli310/guava,Xaerxess/guava,jedyang/guava,rgoldberg/guava,yanyongshan/guava,AnselQiao/guava,berndhopp/guava,jankill/guava,montycheese/guava,hannespernpeintner/guava,taoguan/guava,HarveyTvT/guava,mosoft521/guava,EdwardLee03/guava,tobecrazy/guava,aiyanbo/guava,Kevin2030/guava,njucslqq/guava,EdwardLee03/guava,tobecrazy/guava,lgscofield/guava,monokurobo/guava,jsnchen/guava,renchunxiao/guava