Reserve a placeholder for DevSecOps and Gerrit

Change-Id: I7e6b36287d06b9b07f6ae334f78bca8ed53e0cd1

schedule.md

diff --git a/schedule.md b/schedule.md
index d4e75db..3772450 100644
--- a/schedule.md
+++ b/schedule.md
@@ -32,8 +32,8 @@
 | 10:45 | Break & Networking                                                                           |
 | 11:30 | [BLIMP Tracer: Integrating Build Impact Analysis with Code Review](sessions/blimp-tracer.md) |
 | 12:15 | Lunch & Networking                                                                           |
-| 14:00 | [Gerrit at Google PLACEHOLDER] - hanwen
-| 14:45 | Session #12                                                                                  |
+| 14:00 | [Gerrit at Google PLACEHOLDER] - hanwen                                                      |
+| 14:45 | [Automated Security Analysis with Gerrit Robot Comments] - *PLACEHOLDER*                     |
 | 15:30 | Break & Networking                                                                           |
 | 16:00 | Session #13                                                                                  |
 | 16:45 | Closing note                                                                                 |