Allow httpserver to be turned off in .buckconfig.local by specifying an empty port without an error.
Allow httpserver to be turned off in .buckconfig.local by specifying an empty port without an error.

Test Plan: Create a .buckconfig.local with an empty port setting, verify there was no error.

shs96c/buck,zhuxiaohao/buck,clonetwin26/buck,kageiit/buck,raviagarwal7/buck,neonichu/buck,robbertvanginkel/buck,dushmis/buck,vschs007/buck,neonichu/buck,shybovycha/buck,siddhartharay007/buck,darkforestzero/buck,justinmuller/buck,luiseduardohdbackup/buck,Dominator008/buck,mnuessler/buck,romanoid/buck,Learn-Android-app/buck,lukw00/buck,lukw00/buck,JoelMarcey/buck,MarkRunWu/buck,stuhood/buck,daedric/buck,hgl888/buck,sdwilsh/buck,k21/buck,OkBuilds/buck,rmaz/buck,davido/buck,Addepar/buck,mikekap/buck,Dominator008/buck,sdwilsh/buck,lukw00/buck,romanoid/buck,bocon13/buck,shs96c/buck,ilya-klyuchnikov/buck,mnuessler/buck,lukw00/buck,JoelMarcey/buck,dushmis/buck,mnuessler/buck,mnuessler/buck,grumpyjames/buck,dushmis/buck,mnuessler/buck,dushmis/buck,Dominator008/buck,lukw00/buck,hgl888/buck,shybovycha/buck,liuyang-li/buck,raviagarwal7/buck,liuyang-li/buck,mogers/buck,nguyentruongtho/buck,janicduplessis/buck,rmaz/buck,daedric/buck,robbertvanginkel/buck,SeleniumHQ/buck,davido/buck,mikekap/buck,zhuxiaohao/buck,shs96c/buck,MarkRunWu/buck,grumpyjames/buck,saleeh93/buck-cutom,Learn-Android-app/buck,janicduplessis/buck,k21/buck,sdwilsh/buck,romanoid/buck,hgl888/buck,illicitonion/buck,mnuessler/buck,Dominator008/buck,brettwooldridge/buck,illicitonion/buck,justinmuller/buck,justinmuller/buck,daedric/buck,Distrotech/buck,brettwooldridge/buck,sdwilsh/buck,rowillia/buck,dpursehouse/buck,darkforestzero/buck,justinmuller/buck,siddhartharay007/buck,darkforestzero/buck,janicduplessis/buck,mogers/buck,1yvT0s/buck,Dominator008/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,romanoid/buck,janicduplessis/buck,Learn-Android-app/buck,vschs007/buck,grumpyjames/buck,shs96c/buck,tgummerer/buck,OkBuilds/buck,1yvT0s/buck,neonichu/buck,nguyentruongtho/buck,shs96c/buck,Learn-Android-app/buck,robbertvanginkel/buck,davido/buck,janicduplessis/buck,Learn-Android-app/buck,tgummerer/buck,grumpyjames/buck,tgummerer/buck,pwz3n0/buck,kageiit/buck,clonetwin26/buck,janicduplessis/buck,k21/buck,marcinkwiatkowski/buck,mikekap/buck,raviagarwal7/buck,rhencke/buck,pwz3n0/buck,robbertvanginkel/buck,OkBuilds/buck,rhencke/buck,raviagarwal7/buck,zhan-xiong/buck,mread/buck,Dominator008/buck,shybovycha/buck,robbertvanginkel/buck,vschs007/buck,dushmis/buck,siddhartharay007/buck,bocon13/buck,rowillia/buck,LegNeato/buck,clonetwin26/buck,daedric/buck,daedric/buck,zpao/buck,ilya-klyuchnikov/buck,ilya-klyuchnikov/buck,grumpyjames/buck,dsyang/buck,Distrotech/buck,raviagarwal7/buck,Dominator008/buck,artiya4u/buck,grumpyjames/buck,ilya-klyuchnikov/buck,justinmuller/buck,daedric/buck,janicduplessis/buck,siddhartharay007/buck,rhencke/buck,marcinkwiatkowski/buck,brettwooldridge/buck,MarkRunWu/buck,rhencke/buck,vine/buck,clonetwin26/buck,Addepar/buck,JoelMarcey/buck,Dominator008/buck,rowillia/buck,liuyang-li/buck,bocon13/buck,hgl888/buck,zhan-xiong/buck,facebook/buck,marcinkwiatkowski/buck,tgummerer/buck,SeleniumHQ/buck,darkforestzero/buck,Addepar/buck,SeleniumHQ/buck,hgl888/buck,saleeh93/buck-cutom,illicitonion/buck,shs96c/buck,dushmis/buck,stuhood/buck,zhan-xiong/buck,romanoid/buck,artiya4u/buck,raviagarwal7/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,shs96c/buck,ilya-klyuchnikov/buck,k21/buck,sdwilsh/buck,daedric/buck,Distrotech/buck,clonetwin26/buck,brettwooldridge/buck,tgummerer/buck,neonichu/buck,zhan-xiong/buck,rhencke/buck,vschs007/buck,mikekap/buck,lukw00/buck,davido/buck,ilya-klyuchnikov/buck,stuhood/buck,brettwooldridge/buck,bocon13/buck,k21/buck,facebook/buck,SeleniumHQ/buck,facebook/buck,illicitonion/buck,OkBuilds/buck,marcinkwiatkowski/buck,mogers/buck,romanoid/buck,Distrotech/buck,Addepar/buck,luiseduardohdbackup/buck,ilya-klyuchnikov/buck,raviagarwal7/buck,robbertvanginkel/buck,shybovycha/buck,LegNeato/buck,daedric/buck,LegNeato/buck,dpursehouse/buck,neonichu/buck,janicduplessis/buck,clonetwin26/buck,kageiit/buck,justinmuller/buck,rhencke/buck,dpursehouse/buck,1yvT0s/buck,raviagarwal7/buck,robbertvanginkel/buck,robbertvanginkel/buck,rmaz/buck,mnuessler/buck,Heart2009/buck,rowillia/buck,romanoid/buck,marcinkwiatkowski/buck,vschs007/buck,dsyang/buck,LegNeato/buck,k21/buck,kageiit/buck,nguyentruongtho/buck,vine/buck,SeleniumHQ/buck,zpao/buck,Heart2009/buck,Addepar/buck,davido/buck,mogers/buck,mread/buck,Learn-Android-app/buck,Addepar/buck,daedric/buck,dushmis/buck,dsyang/buck,stuhood/buck,Heart2009/buck,zhuxiaohao/buck,Addepar/buck,brettwooldridge/buck,rmaz/buck,marcinkwiatkowski/buck,SeleniumHQ/buck,lukw00/buck,marcinkwiatkowski/buck,MarkRunWu/buck,sdwilsh/buck,illicitonion/buck,pwz3n0/buck,luiseduardohdbackup/buck,rmaz/buck,justinmuller/buck,luiseduardohdbackup/buck,pwz3n0/buck,Distrotech/buck,shs96c/buck,liuyang-li/buck,stuhood/buck,zhuxiaohao/buck,justinmuller/buck,rmaz/buck,artiya4u/buck,romanoid/buck,OkBuilds/buck,romanoid/buck,mogers/buck,JoelMarcey/buck,zhan-xiong/buck,mikekap/buck,mogers/buck,rmaz/buck,lukw00/buck,vine/buck,mogers/buck,dushmis/buck,mread/buck,ilya-klyuchnikov/buck,Addepar/buck,brettwooldridge/buck,luiseduardohdbackup/buck,justinmuller/buck,bocon13/buck,justinmuller/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,shs96c/buck,sdwilsh/buck,dsyang/buck,liuyang-li/buck,OkBuilds/buck,1yvT0s/buck,pwz3n0/buck,SeleniumHQ/buck,nguyentruongtho/buck,vschs007/buck,rowillia/buck,raviagarwal7/buck,LegNeato/buck,kageiit/buck,luiseduardohdbackup/buck,dsyang/buck,Distrotech/buck,Heart2009/buck,artiya4u/buck,Distrotech/buck,clonetwin26/buck,daedric/buck,JoelMarcey/buck,Learn-Android-app/buck,dsyang/buck,pwz3n0/buck,tgummerer/buck,rhencke/buck,shybovycha/buck,kageiit/buck,SeleniumHQ/buck,hgl888/buck,Heart2009/buck,romanoid/buck,MarkRunWu/buck,vschs007/buck,bocon13/buck,Distrotech/buck,Addepar/buck,shybovycha/buck,Distrotech/buck,liuyang-li/buck,1yvT0s/buck,tgummerer/buck,Dominator008/buck,neonichu/buck,clonetwin26/buck,shs96c/buck,vine/buck,davido/buck,illicitonion/buck,mikekap/buck,illicitonion/buck,grumpyjames/buck,sdwilsh/buck,illicitonion/buck,vschs007/buck,OkBuilds/buck,zpao/buck,lukw00/buck,liuyang-li/buck,zhuxiaohao/buck,stuhood/buck,dsyang/buck,grumpyjames/buck,mikekap/buck,JoelMarcey/buck,janicduplessis/buck,saleeh93/buck-cutom,artiya4u/buck,k21/buck,darkforestzero/buck,facebook/buck,Learn-Android-app/buck,brettwooldridge/buck,JoelMarcey/buck,rowillia/buck,mikekap/buck,shybovycha/buck,rowillia/buck,dpursehouse/buck,bocon13/buck,dsyang/buck,shs96c/buck,JoelMarcey/buck,justinmuller/buck,brettwooldridge/buck,robbertvanginkel/buck,shs96c/buck,vschs007/buck,MarkRunWu/buck,davido/buck,vschs007/buck,raviagarwal7/buck,Dominator008/buck,grumpyjames/buck,Heart2009/buck,dpursehouse/buck,dpursehouse/buck,ilya-klyuchnikov/buck,Learn-Android-app/buck,neonichu/buck,mnuessler/buck,LegNeato/buck,1yvT0s/buck,lukw00/buck,JoelMarcey/buck,janicduplessis/buck,LegNeato/buck,SeleniumHQ/buck,robbertvanginkel/buck,romanoid/buck,pwz3n0/buck,bocon13/buck,stuhood/buck,OkBuilds/buck,SeleniumHQ/buck,zpao/buck,vine/buck,vine/buck,neonichu/buck,vine/buck,artiya4u/buck,zhuxiaohao/buck,bocon13/buck,rmaz/buck,k21/buck,hgl888/buck,shybovycha/buck,dpursehouse/buck,rowillia/buck,darkforestzero/buck,justinmuller/buck,grumpyjames/buck,nguyentruongtho/buck,shs96c/buck,davido/buck,Dominator008/buck,marcinkwiatkowski/buck,vschs007/buck,mread/buck,zpao/buck,shybovycha/buck,darkforestzero/buck,romanoid/buck,mikekap/buck,k21/buck,Distrotech/buck,shybovycha/buck,siddhartharay007/buck,rowillia/buck,Heart2009/buck,luiseduardohdbackup/buck,darkforestzero/buck,rowillia/buck,mogers/buck,Learn-Android-app/buck,mread/buck,JoelMarcey/buck,daedric/buck,tgummerer/buck,ilya-klyuchnikov/buck,justinmuller/buck,JoelMarcey/buck,JoelMarcey/buck,MarkRunWu/buck,rhencke/buck,illicitonion/buck,artiya4u/buck,mikekap/buck,raviagarwal7/buck,marcinkwiatkowski/buck,vine/buck,illicitonion/buck,rowillia/buck,artiya4u/buck,LegNeato/buck,artiya4u/buck,zpao/buck,rmaz/buck,OkBuilds/buck,liuyang-li/buck,liuyang-li/buck,sdwilsh/buck,pwz3n0/buck,dushmis/buck,zhan-xiong/buck,lukw00/buck,zhuxiaohao/buck,LegNeato/buck,Heart2009/buck,rmaz/buck,ilya-klyuchnikov/buck,clonetwin26/buck,rhencke/buck,hgl888/buck,1yvT0s/buck,SeleniumHQ/buck,mogers/buck,stuhood/buck,Learn-Android-app/buck,pwz3n0/buck,sdwilsh/buck,Addepar/buck,clonetwin26/buck,dpursehouse/buck,davido/buck,k21/buck,siddhartharay007/buck,saleeh93/buck-cutom,Addepar/buck,dsyang/buck,k21/buck,raviagarwal7/buck,1yvT0s/buck,darkforestzero/buck,luiseduardohdbackup/buck,pwz3n0/buck,daedric/buck,brettwooldridge/buck,darkforestzero/buck,LegNeato/buck,illicitonion/buck,OkBuilds/buck,k21/buck,artiya4u/buck,zhan-xiong/buck,rhencke/buck,tgummerer/buck,OkBuilds/buck,mikekap/buck,k21/buck,darkforestzero/buck,liuyang-li/buck,davido/buck,kageiit/buck,rhencke/buck,LegNeato/buck,pwz3n0/buck,luiseduardohdbackup/buck,darkforestzero/buck,shybovycha/buck,illicitonion/buck,stuhood/buck,rmaz/buck,robbertvanginkel/buck,daedric/buck,marcinkwiatkowski/buck,stuhood/buck,zhan-xiong/buck,grumpyjames/buck,zpao/buck,facebook/buck,darkforestzero/buck,sdwilsh/buck,bocon13/buck,rmaz/buck,dsyang/buck,clonetwin26/buck,facebook/buck,MarkRunWu/buck,marcinkwiatkowski/buck,janicduplessis/buck,Addepar/buck,davido/buck,siddhartharay007/buck,vschs007/buck,dsyang/buck,hgl888/buck,janicduplessis/buck,shybovycha/buck,tgummerer/buck,siddhartharay007/buck,stuhood/buck,brettwooldridge/buck,liuyang-li/buck,LegNeato/buck,neonichu/buck,clonetwin26/buck,dushmis/buck,mikekap/buck,facebook/buck,mogers/buck,sdwilsh/buck,siddhartharay007/buck,mogers/buck,Addepar/buck,zhan-xiong/buck,zhan-xiong/buck,zhuxiaohao/buck,zhan-xiong/buck,romanoid/buck,OkBuilds/buck,ilya-klyuchnikov/buck,Heart2009/buck,dsyang/buck,clonetwin26/buck,SeleniumHQ/buck,Distrotech/buck,vine/buck,JoelMarcey/buck,bocon13/buck,shybovycha/buck,mnuessler/buck,Dominator008/buck,nguyentruongtho/buck,rmaz/buck,OkBuilds/buck,mread/buck,vine/buck,vine/buck,davido/buck,bocon13/buck,1yvT0s/buck,robbertvanginkel/buck,davido/buck,dsyang/buck,zhan-xiong/buck,artiya4u/buck,saleeh93/buck-cutom,tgummerer/buck,brettwooldridge/buck,vschs007/buck,raviagarwal7/buck,illicitonion/buck,grumpyjames/buck,SeleniumHQ/buck,zhuxiaohao/buck,sdwilsh/buck,LegNeato/buck,rowillia/buck,saleeh93/buck-cutom