afohrman 6591f2ba73 Streamline top margin label calculations.
Consolidate calculations for the top margin offset into label calculation methods. This work will make it easier to set the cutout bounds, and to do other dimension work (height parameter, padding work, etc.).

PiperOrigin-RevId: 170779660
2017-11-13 14:17:37 -05:00
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2017-11-10 15:50:23 -05:00