Notification might not have a contentIntent

Fixes: 143077322
Test: I'm able to run my memory microbenchmark in ag/9592498 without crashing.
Change-Id: I2f66a0938458a4119476f7e381d3a7a4064f8ce1
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt
index 90a860a..c9ea559 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/people/PeopleHubNotificationListener.kt
@@ -126,6 +126,7 @@
     }
 
     val clickIntent = sbn.notification.contentIntent
+            ?: return null
     val extras = sbn.notification.extras
     val name = extras.getString(Notification.EXTRA_CONVERSATION_TITLE)
             ?: extras.getString(Notification.EXTRA_TITLE)