Fix crash.

Change-Id: Id219351625494c54524e400055755d41f3bef868
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index ce597ad..c5e7b62 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -4934,7 +4934,7 @@
     void grantUriPermissionFromIntentLocked(int callingUid,
             String targetPkg, Intent intent, UriPermissionOwner owner) {
         NeededUriGrants needed = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg,
-                intent, intent.getFlags(), null);
+                intent, intent != null ? intent.getFlags() : 0, null);
         if (needed == null) {
             return;
         }