tools/workspace-status.sh -> bzl/

This is bazel-specific.

Change-Id: I2592c30f4e8f5e414d2fb6cf90f36b36e069b7cb
diff --git a/.bazelrc b/.bazelrc
index 3a589a2..a8d655c 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -3,5 +3,5 @@
 test --host_force_python=PY2
 run --host_force_python=PY2
 # Required for app/gerrit/gerrit-oauth-provider
-build --workspace_status_command=./tools/workspace-status.sh
+build --workspace_status_command=./bzl/workspace-status.sh
 test --build_tests_only