* Update Test section of developer guide

* Code review fixes

* Add missing parenthesis

* Add link


Commit migrated from https://github.com/dotnet/corefx/commit/c3ce1fb6fd0515866ab4f8b58942dfebf70a64de

Remove VSTS Symbol publish step from checked in definitions

Commit migrated from https://github.com/dotnet/corefx/commit/a111a97f4a0267bfbe94fb26cd58cbb6853d107e

* Support ISerializable in ReflectionOnly mode.

Fix dotnet/corefx#13071

* Address feedback.


Commit migrated from https://github.com/dotnet/corefx/commit/c573a141bbbd5d7027855890354668db99ae870c

Add tests for BitArray.Clone with large lengths

Commit migrated from https://github.com/dotnet/corefx/commit/1d4d1d8b00f09a8198a4e402ad91b48a85a59036

* Fix XmlSchemaTest in ReflectionOnly mode.

Fix dotnet/corefx#11918

* Adress feedback.


Commit migrated from https://github.com/dotnet/corefx/commit/5b4c955cf446cc735a45353d46261d5a6823a2fe

Commit migrated from https://github.com/dotnet/corefx/commit/3c0ff4ebfd98ef41edb78ea047f841e35a98e97b

Commit migrated from https://github.com/dotnet/corefx/commit/12d432ec6c84b8bab0e304274366a710a697c3f7

Update build tools

Commit migrated from https://github.com/dotnet/corefx/commit/39368bffa6476b2812114a2b178ae7675fa5bf57

Pick up version with improved VSTS Agent Cleanup behaviors

Commit migrated from https://github.com/dotnet/corefx/commit/8ebdad90e3041a06d038880e4f5744923ff3b6b5

Commit migrated from https://github.com/dotnet/corefx/commit/23072f49c1f7b8925d2e8a23ab00c933770f918e

Update ProjectN and CoreRT targeting packs

Commit migrated from https://github.com/dotnet/corefx/commit/6a027f80626127fdefb7043942364b14cae0412e

Commit migrated from https://github.com/dotnet/corefx/commit/7775cefe16f99cefccb3f6000aab267714af4bec

- Delete unused files
- Merge Strings.resx and Strings.netcore50aot.resx


Commit migrated from https://github.com/dotnet/corefx/commit/4f77b4be29bf946900fa1f40a6e52bf0bdc0a416

Commit migrated from https://github.com/dotnet/corefx/commit/6368ca6b6dfca7f4e6b28587a916f8bf55519f65

Dictionary<TKey, TValue> constructor that accepts IEnumerable (ref dotnet/corefx#1378)

Commit migrated from https://github.com/dotnet/corefx/commit/0ba8ac88588c274377f8a01a5228973c8584fb0b

Commit migrated from https://github.com/dotnet/corefx/commit/2c658fd1b048174b6bd3d36339644ef760cea2fc

Commit migrated from https://github.com/dotnet/corefx/commit/46be6bb9842a50efe782e335d57cb512ac2b6e3f

Typo'd space led to an ".cs .cs" ending.

Commit migrated from https://github.com/dotnet/corefx/commit/46830af0afa818e94b5b202c571150956c262fec

IEnumerable<KeyValuePair<TKey, TValue>

New constructor is added only for netcoreapp1.1


Commit migrated from https://github.com/dotnet/corefx/commit/f5b6f76f7992968586e3dced0e93d4412fdd38ad

Add support for building Portable Linux binaries/packages in pipeline

Commit migrated from https://github.com/dotnet/corefx/commit/ee128ff349cb94041dea8b8320caa06c822a361f

Commit migrated from https://github.com/dotnet/corefx/commit/ecb39dce58de72137c235161e177853a8f1a314d

Commit migrated from https://github.com/dotnet/corefx/commit/299b7a088c3c4cee824924106eba42bb147e65af

Generate packages for portable native build

Commit migrated from https://github.com/dotnet/corefx/commit/3bde7ed3a345d86c9eabf4ff33375e35727f49f2

Commit migrated from https://github.com/dotnet/corefx/commit/5107317070171ea361eb232d67419ce3dace9899

Commit migrated from https://github.com/dotnet/corefx/commit/22ab8bb16bfcb398dc469b899c5ec30ea8035c74

* Update ProjectNTfs to beta-24819-00

* Cleanup normalization implementation

The normalization is part of CoreLib in all runtimes now.

* Update ApiCompatBaseline.uap101aot.txt


Commit migrated from https://github.com/dotnet/corefx/commit/394126581a7f62c27fd52344d5d9b0c3d0403a93

* Fix System.Private.Xml tests from failing


Commit migrated from https://github.com/dotnet/corefx/commit/a7d6c2c5fbf870092535b6e70e25c97c2187f959

Fix rootfs script: attempt to correct broken dependencies

Commit migrated from https://github.com/dotnet/corefx/commit/76bc9265abed296dc5be72f18a5c02060e0fe1d3

Commit migrated from https://github.com/dotnet/corefx/commit/1e4e41795d692ba2f6ddf86e6ef32bda1ca29c07

Commit migrated from https://github.com/dotnet/corefx/commit/4e3056b2e64b3240ad53356dff36e3359397ee0e

Commit migrated from https://github.com/dotnet/corefx/commit/965ba59b911180a9b687b8473de6dce47358abb7

Port fix for https://github.com/dotnet/corert/issues/2377

Commit migrated from https://github.com/dotnet/corefx/commit/00299d175177c05ee7e1b10741183d78a1d75631

Update build tools

Commit migrated from https://github.com/dotnet/corefx/commit/b5ed42b6be7a0ae4830370861604f2d47e758009

Since I merged the previous PR to get the test build fix, I created this one for @dagood, to pick up the fix for corefx auto-update PRs:
 dotnet/buildtoolsdotnet/corefx#1265

Commit migrated from https://github.com/dotnet/corefx/commit/f4bbecc10abe68aef0b379244f79a7fe29ddcd4d

Update Buildtools to 1.0.27-prerelease-01116-01

Commit migrated from https://github.com/dotnet/corefx/commit/715621f6b69e4b273b44cf357bd50c2efa6eaf44

Commit migrated from https://github.com/dotnet/corefx/commit/a565282bdb78fafcab8cd89fbf840c41a9d64fcf

Inject an in-memory machine.config instead of the default
if it doesn't exist.

Commit migrated from https://github.com/dotnet/corefx/commit/045b6915afd9341c300a9d891d7a9501ad39aaeb

- Exclude string normalization APIs from System.Private.Uri builds. It makes System.Private.Uri platform neutral for CoreRT.
- Enable Unix builds of System.Private.Uri and System.Runtime
- Some prep work for enabling CoreRT build of System.Runtime.Extensions

Commit migrated from https://github.com/dotnet/corefx/commit/7a1ae1938de2aa7bdec5d38182bc245df3a7a713

Add Activity ID for tracing in System.Transactions

Commit migrated from https://github.com/dotnet/corefx/commit/65de0f9b2566d165da64fd1d0ae891a3a1516080

* Delete unnecessary ComVisible attributes


Commit migrated from https://github.com/dotnet/corefx/commit/ddd1e5ce0f81f7091e544c65f99c37bf52a4ded9