gerrit-bazel-build: Verify eclipse project generation

Verify eclipse project generation during the build. This would prevent
unnoticed breakages in the area in the future.

Change-Id: I4979fbf0a2c9b3dd4e5a2338fafa308799ba208e
diff --git a/jenkins/gerrit-bazel-build.sh b/jenkins/gerrit-bazel-build.sh
index 3fcb13e..863fd1d 100644
--- a/jenkins/gerrit-bazel-build.sh
+++ b/jenkins/gerrit-bazel-build.sh
@@ -6,3 +6,4 @@
 export BAZEL_OPTS="--spawn_strategy=standalone --genrule_strategy=standalone"
 
 bazel build $BAZEL_OPTS plugins:core release api
+tools/eclipse/project.py