All Parcelable CREATOR fields are @NonNull.

If they were null, then the Parcelable would fail to work.

Bug: 126726802
Test: manual
Change-Id: I7929ffa2f20e5de1c8e68e8263cca99496e9d014
Exempt-From-Owner-Approval: Trivial API annotations
diff --git a/core/java/android/net/NetworkTemplate.java b/core/java/android/net/NetworkTemplate.java
index bb75c63..d42fce3 100644
--- a/core/java/android/net/NetworkTemplate.java
+++ b/core/java/android/net/NetworkTemplate.java
@@ -482,7 +482,7 @@
     }
 
     @UnsupportedAppUsage
-    public static final Creator<NetworkTemplate> CREATOR = new Creator<NetworkTemplate>() {
+    public static final @android.annotation.NonNull Creator<NetworkTemplate> CREATOR = new Creator<NetworkTemplate>() {
         @Override
         public NetworkTemplate createFromParcel(Parcel in) {
             return new NetworkTemplate(in);