Fixes #7041: Adds missing license headers

<?xml version="1.0" encoding="utf-8"?>

<!-- This Source Code Form is subject to the terms of the Mozilla Public

   - License, v. 2.0. If a copy of the MPL was not distributed with this

   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<resources>

    <declare-styleable name="LoginPanelTextInputLayout">

        <attr name="mozacInputLayoutErrorTextColor" format="reference"/>

<?xml version="1.0" encoding="utf-8"?>

<!-- This Source Code Form is subject to the terms of the Mozilla Public

   - License, v. 2.0. If a copy of the MPL was not distributed with this

   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<resources>

    <style name="MozTextInputLayout" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox">

        <item name="boxStrokeColor">@color/mozacBoxStrokeColor</item>