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/telecomm/java/android/telecom/ConnectionRequest.java b/telecomm/java/android/telecom/ConnectionRequest.java
index d69d2cd..b428530 100644
--- a/telecomm/java/android/telecom/ConnectionRequest.java
+++ b/telecomm/java/android/telecom/ConnectionRequest.java
@@ -364,7 +364,7 @@
         return sb.toString();
     }
 
-    public static final Creator<ConnectionRequest> CREATOR = new Creator<ConnectionRequest> () {
+    public static final @android.annotation.NonNull Creator<ConnectionRequest> CREATOR = new Creator<ConnectionRequest> () {
         @Override
         public ConnectionRequest createFromParcel(Parcel source) {
             return new ConnectionRequest(source);