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/StatusHints.java b/telecomm/java/android/telecom/StatusHints.java
index 453f408..762c93a 100644
--- a/telecomm/java/android/telecom/StatusHints.java
+++ b/telecomm/java/android/telecom/StatusHints.java
@@ -119,7 +119,7 @@
         out.writeParcelable(mExtras, 0);
     }
 
-    public static final Creator<StatusHints> CREATOR
+    public static final @android.annotation.NonNull Creator<StatusHints> CREATOR
             = new Creator<StatusHints>() {
         public StatusHints createFromParcel(Parcel in) {
             return new StatusHints(in);