update gerrit URL
update gerrit URL

gerrit.aokp.co is just a redirect and it's going to
go down in a day or two

Change-Id: I6fbdbe17e5bcd9dc37c3e641a1ac8e86481cb0a1

see4ri/lolili,RR-msm7x30/platform_manifest,ND-3500/platform_manifest,Hybrid-Power/startsync,pranav01/platform_manifest,knone1/platform_manifest,fallouttester/platform_manifest,hagar006/platform_manifest