sync to head and run clang-format again

Makefile

include/grpc++/completion_queue.h

include/grpc++/credentials.h

include/grpc/support/atm.h

include/grpc/support/atm_win32.h

include/grpc/support/port_platform.h

src/compiler/python_generator.cc

src/core/channel/http_server_filter.c

src/cpp/client/secure_credentials.cc

src/node/ext/call.cc

src/node/package.json

src/node/test/call_test.js

src/node/test/end_to_end_test.js

src/python/interop/interop/methods.py

src/python/src/grpc/_adapter/_face_test_case.py

src/python/src/grpc/_adapter/_links_test.py

src/python/src/grpc/_adapter/_lonely_rear_link_test.py

src/python/src/grpc/_adapter/_test_links.py

src/python/src/grpc/_adapter/fore.py

src/python/src/grpc/_adapter/rear.py