Splitting out interop's server helper.

Manual upmerge after version bump.

Conflicts:
	CMakeLists.txt
	Makefile
	build.yaml
	package.json
	src/core/lib/surface/version.c
	src/csharp/Grpc.Auth/project.json
	src/csharp/Grpc.Core/VersionInfo.cs
	src/csharp/Grpc.Core/project.json
	src/csharp/Grpc.HealthCheck/project.json
	src/csharp/build_packages.bat
	src/node/health_check/package.json
	src/node/tools/package.json
	src/python/grpcio/grpc_version.py
	src/python/grpcio_health_checking/grpc_version.py
	src/python/grpcio_tests/grpc_version.py
	src/ruby/lib/grpc/version.rb
	src/ruby/tools/version.rb
	tools/distrib/python/grpcio_tools/grpc_version.py
	tools/doxygen/Doxyfile.c++
	tools/doxygen/Doxyfile.c++.internal
	tools/doxygen/Doxyfile.core
	tools/doxygen/Doxyfile.core.internal

Fixing json parsing issues detected by libfuzz.

Let override default response size limit

deflake grpclb_test

Fix Objective-C test pods for Cronet tests

Move timeout_encoding to core/lib/transport

Stop using image aliases, as this is getting deprecated.

Backport of "added windows to INSTALL.md"

added windows to INSTALL.md

added windows to INSTALL.md

Update .gitignore to include .idea folder

removed hardcoded disable on logging

fixed include guard script and faulty .h

Add Census resource API and implementation.

Downgrade docker setuptools

Extend filter API to allow call initialization to return an error.

Changed census static metadata keys for tracing and tag propagation

Don't assert if we're not able to set CPU affinity

Fix stack-use-after-scope in call.c

gRPC LB policy

Shrink a stack-allocated array to avoid giant frame

Update .NET core dependencies to RTM

AddressSanitizer detects stack-use-after-scope bug.
This means that variable was used at a point when compiler assume that it's
dead.

Here compression_md lifetime is limited by switch scope. However implementation
of execute_op blow access it outside the scope.

Downgrade docker setuptools