Add NPE protection to NextAlarmController dump

Test: manual
Fixes: 199469246
Change-Id: I8702c3ca69c31cb18264741c51bc31f874311f60
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NextAlarmControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NextAlarmControllerImpl.java
index 22fd93e..2d47c8f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NextAlarmControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NextAlarmControllerImpl.java
@@ -71,7 +71,11 @@
         if (mNextAlarm != null) {
             pw.println(new Date(mNextAlarm.getTriggerTime()));
             pw.print("  PendingIntentPkg=");
-            pw.println(mNextAlarm.getShowIntent().getCreatorPackage());
+            if (mNextAlarm.getShowIntent() != null) {
+                pw.println(mNextAlarm.getShowIntent().getCreatorPackage());
+            } else {
+                pw.println("showIntent=null");
+            }
         } else {
             pw.println("null");
         }