Merge pull request #8063 from royalharsh/buffers

BUILD

build.yaml

src/compiler/cpp_generator.cc

src/compiler/cpp_generator.h

src/compiler/cpp_generator_helpers.h

src/compiler/cpp_plugin.cc

src/compiler/protobuf_plugin.h

src/compiler/python_generator.cc

src/compiler/python_generator.h

src/compiler/python_generator_helpers.h

src/compiler/python_plugin.cc

src/compiler/python_private_generator.h

src/compiler/schema_interface.h

tools/run_tests/generated/sources_and_headers.json

...s/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj

...j/grpc_plugin_support/grpc_plugin_support.vcxproj.filters