Fix stress test JVM Args

Add copyrights to .bat files (and update the checker to report missing ones)

Add reflection.proto

Splitting out a pure poll() based event engine

prepare to enable ubsan in continuous build

De-ify code

Better compression docs and names

Made complex directories for python protoc test

add owned

Set GC params for Java Stress Test

Format changes to python protoc generation

Add curlies for multiline if statements.

Revert "Revert "cronet wrapper code"", and fix the issue with build.yaml

Add callback when gRPC FD is about to be orphaned.

Split Node examples into static and dynamic code generation examples

Improve channel behavior in shutdown situations

Fix qps reporting in C# stress client

Server builder plugin

Fix Go perftests and a few other fixes.