ref: 73c2acb91a20f6d3a0c44a2b181f9a35910d1bf4
dir: /test/build/android/res/values/dimens.xml/
<resources>
<!-- Default screen margins, per the Android Design guidelines. -->
<dimen name="activity_horizontal_margin">16dp</dimen>
<dimen name="activity_vertical_margin">16dp</dimen>
</resources>