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/bluetooth/BluetoothGattCharacteristic.java b/core/java/android/bluetooth/BluetoothGattCharacteristic.java
index 6d46b3a..edacf3e 100644
--- a/core/java/android/bluetooth/BluetoothGattCharacteristic.java
+++ b/core/java/android/bluetooth/BluetoothGattCharacteristic.java
@@ -302,7 +302,7 @@
         out.writeTypedList(mDescriptors);
     }
 
-    public static final Parcelable.Creator<BluetoothGattCharacteristic> CREATOR =
+    public static final @android.annotation.NonNull Parcelable.Creator<BluetoothGattCharacteristic> CREATOR =
             new Parcelable.Creator<BluetoothGattCharacteristic>() {
         public BluetoothGattCharacteristic createFromParcel(Parcel in) {
             return new BluetoothGattCharacteristic(in);