Merge pull request #4606 from ctiller/clangfmt

Makefile

src/core/httpcli/httpcli_security_connector.c

src/core/security/client_auth_filter.c

src/core/security/credentials.c

src/core/security/security_connector.c

src/core/security/security_connector.h

src/core/surface/init.c

src/core/transport/static_metadata.c

src/core/transport/static_metadata.h

templates/test/core/end2end/end2end_defs.include

templates/test/core/end2end/end2end_nosec_tests.c.template

templates/test/core/end2end/end2end_tests.c.template

...s/test/core/surface/public_headers_must_be_c89.c.template

test/core/end2end/end2end_nosec_tests.c

test/core/end2end/end2end_tests.c

test/core/support/alloc_test.c

test/core/surface/public_headers_must_be_c89.c

tools/distrib/clang_format_code.sh

...ckerfile/grpc_clang_format/clang_format_all_the_things.sh

tools/jenkins/build_docker_and_run_tests.sh