Fix the description string of upload_to_gce_and_run.py

Test: Local run
Change-Id: Ifffe14a9fd916e337db6fa0f4199e20e5084ad88
Merged-In: Ifffe14a9fd916e337db6fa0f4199e20e5084ad88
(cherry picked from commit 4c765a49fe48a027d68a931eb5c7f5b1b64587bd)
diff --git a/tools/upload_to_gce_and_run.py b/tools/upload_to_gce_and_run.py
index e0011a9..46d6c79 100755
--- a/tools/upload_to_gce_and_run.py
+++ b/tools/upload_to_gce_and_run.py
@@ -51,7 +51,7 @@
 
 def main():
   parser = argparse.ArgumentParser(
-      description='Fetch images from a compute engine bucket')
+      description='Upload a local build to Google Compute Engine and run it')
   parser.add_argument(
       '-dist_dir',
       type=str,