laserproxy: add nix build

Change-Id: If93f4ba69afa028fed9098663a523f46d6134f7c
diff --git a/hswaw/laserproxy/nix-disable-workspace-status.patch b/hswaw/laserproxy/nix-disable-workspace-status.patch
new file mode 100644
index 0000000..b10b18f
--- /dev/null
+++ b/hswaw/laserproxy/nix-disable-workspace-status.patch
@@ -0,0 +1,11 @@
+diff --git a/.bazelrc b/.bazelrc
+index 419641e..207ae15 100644
+--- a/.bazelrc
++++ b/.bazelrc
+@@ -3,6 +3,5 @@ build --host_force_python=PY2
+ test --host_force_python=PY2
+ run --host_force_python=PY2
+ build --stamp
+-build --workspace_status_command=./bzl/workspace-status.sh
+ test --build_tests_only
+ test --test_output=errors