Updating build.gradle with a bigtable_proto_version of 1.0.0-pre3
Updating build.gradle with a bigtable_proto_version of 1.0.0-pre3

tgroh/beam,chamikaramj/beam,markflyhigh/incubator-beam,lukecwik/incubator-beam,apache/beam,charlesccychen/beam,tgroh/incubator-beam,robertwb/incubator-beam,apache/beam,rangadi/incubator-beam,robertwb/incubator-beam,apache/beam,tgroh/incubator-beam,rangadi/incubator-beam,RyanSkraba/beam,charlesccychen/beam,RyanSkraba/beam,robertwb/incubator-beam,lukecwik/incubator-beam,charlesccychen/beam,apache/beam,apache/beam,mxm/incubator-beam,rangadi/beam,apache/beam,RyanSkraba/beam,charlesccychen/beam,apache/beam,charlesccychen/incubator-beam,apache/beam,tgroh/beam,tgroh/beam,chamikaramj/beam,iemejia/incubator-beam,apache/beam,robertwb/incubator-beam,chamikaramj/beam,robertwb/incubator-beam,rangadi/beam,RyanSkraba/beam,robertwb/incubator-beam,chamikaramj/beam,charlesccychen/beam,markflyhigh/incubator-beam,apache/beam,lukecwik/incubator-beam,rangadi/beam,lukecwik/incubator-beam,charlesccychen/incubator-beam,chamikaramj/beam,rangadi/beam,mxm/incubator-beam,robertwb/incubator-beam,markflyhigh/incubator-beam,robertwb/incubator-beam,markflyhigh/incubator-beam,rangadi/beam,RyanSkraba/beam,markflyhigh/incubator-beam,charlesccychen/beam,rangadi/incubator-beam,tgroh/beam,chamikaramj/beam,rangadi/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,lukecwik/incubator-beam,robertwb/incubator-beam,iemejia/incubator-beam,chamikaramj/beam,chamikaramj/beam,markflyhigh/incubator-beam,chamikaramj/beam,charlesccychen/incubator-beam,apache/beam,chamikaramj/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,charlesccychen/beam,robertwb/incubator-beam,RyanSkraba/beam,RyanSkraba/beam,lukecwik/incubator-beam,markflyhigh/incubator-beam,rangadi/beam