Add an exported flag in manifest am: a8409b8d

            android:name="com.android.customization.picker.CustomizationPickerActivity"

            android:label="@string/app_name"

            android:resizeableActivity="false"

            android:exported="true"

            android:theme="@style/CustomizationTheme.NoActionBar">

            <intent-filter>

                <action android:name="android.intent.action.SET_WALLPAPER"/>