Add the source SHA1s to the maven_jar rules.
Add the source SHA1s to the maven_jar rules.

Otherwise the sources may not be downloaded.
See https://github.com/bazelbuild/bazel/issues/4798

google/gapid,google/gapid,pmuetschard/gapid,google/gapid,google/agi,google/gapid,google/agi,google/gapid,Qining/gapid,pmuetschard/gapid,google/gapid,Qining/gapid,google/gapid,Qining/gapid,google/agi,Qining/gapid,google/agi,google/agi,pmuetschard/gapid,Qining/gapid,google/agi,pmuetschard/gapid,Qining/gapid,google/agi,pmuetschard/gapid,google/agi,pmuetschard/gapid,pmuetschard/gapid,Qining/gapid,google/gapid,pmuetschard/gapid,Qining/gapid