Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.
find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.
Reviewed By: TheSavior, yungsters
Differential Revision: D7007050
fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
Summary:
Adds a Xamarin Android support for Yoga and respective tests. Closes#276 with this PR all Xamarin platforms will be covered
Need to figure a better strategy for the build names for buck with splhack .
It's failing 3 tests related with YogaNode and the GC :) classic!

```
Facebook.Yoga.Android.Tests.dll : 660.87 ms
: 678.788 ms
Tests run: 130, Passed: 127, Failed: 3, Skipped: 0, Inconclusive: 0
```
Closes https://github.com/facebook/yoga/pull/340
Reviewed By: emilsjolander
Differential Revision: D4475370
Pulled By: splhack
fbshipit-source-id: f050f10415e68e9808f629b843682b0f87cca065