Update copyrights, clang-fmt

src/core/httpcli/httpcli_security_connector.c

src/core/security/client_auth_filter.c

src/core/security/credentials.c

src/core/security/jwt_verifier.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

test/core/end2end/end2end_nosec_tests.c

test/core/end2end/end2end_tests.c

test/core/support/alloc_test.c