ring-android/app/src/main/res/values-v21/dimens.xml

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

    <dimen name="action_button_lpadding">16dp</dimen>
    <dimen name="action_button_bpadding">-20dp</dimen>
    <dimen name="fab_compat_margin">16dp</dimen>

</resources>