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/IpSecSpiResponse.java b/core/java/android/net/IpSecSpiResponse.java
index 71dfa03..f99e570 100644
--- a/core/java/android/net/IpSecSpiResponse.java
+++ b/core/java/android/net/IpSecSpiResponse.java
@@ -65,7 +65,7 @@
         spi = in.readInt();
     }
 
-    public static final Parcelable.Creator<IpSecSpiResponse> CREATOR =
+    public static final @android.annotation.NonNull Parcelable.Creator<IpSecSpiResponse> CREATOR =
             new Parcelable.Creator<IpSecSpiResponse>() {
                 public IpSecSpiResponse createFromParcel(Parcel in) {
                     return new IpSecSpiResponse(in);