Fix NPE in SystemUI

Fixed a system UI crash when clicking a notification to launch a PendingIntent with a user-created IIntentSender.

Change-Id: I4f55a12e8cc85f2d8b79e7076bc3f543280b5678
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarNotificationActivityStarterLogger.kt b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarNotificationActivityStarterLogger.kt
index 4211cab..66e909c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarNotificationActivityStarterLogger.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarNotificationActivityStarterLogger.kt
@@ -70,7 +70,7 @@
     fun logSendPendingIntent(entry: NotificationEntry, pendingIntent: PendingIntent, result: Int) {
         buffer.log(TAG, INFO, {
             str1 = entry.logKey
-            str2 = pendingIntent.intent.toString()
+            str2 = pendingIntent.intent?.toString()
             int1 = result
         }, {
             "(5/5) Started intent $str2 for notification $str1 with result code $int1"
@@ -120,7 +120,7 @@
     fun logSendingFullScreenIntent(entry: NotificationEntry, pendingIntent: PendingIntent) {
         buffer.log(TAG, INFO, {
             str1 = entry.logKey
-            str2 = pendingIntent.intent.toString()
+            str2 = pendingIntent.intent?.toString()
         }, {
             "Notification $str1 has fullScreenIntent; sending fullScreenIntent $str2"
         })