Initial fixes

src/core/lib/channel/http_server_filter.c

src/core/lib/transport/static_metadata.c

src/core/lib/transport/static_metadata.h

test/core/end2end/fuzzers/api_fuzzer.c

test/core/iomgr/ev_epoll_linux_test.c

tools/codegen/core/gen_static_metadata.py