UV tests pass on linux

Makefile

build.yaml

src/core/lib/iomgr/endpoint_pair_uv.c

src/core/lib/iomgr/pollset_uv.c

src/core/lib/iomgr/pollset_uv.h

src/core/lib/iomgr/resolve_address_uv.c

src/core/lib/iomgr/tcp_client_uv.c

src/core/lib/iomgr/tcp_server_uv.c

src/core/lib/iomgr/tcp_uv.c

src/core/lib/iomgr/timer_uv.c

src/node/ext/node_grpc.cc

test/core/bad_client/gen_build_yaml.py

test/core/end2end/cq_verifier.c

test/core/end2end/cq_verifier_uv.c

test/core/end2end/gen_build_yaml.py

test/core/util/port_server_client.c

test/core/util/port_uv.c

tools/buildgen/plugins/make_fuzzer_tests.py

tools/run_tests/run_tests.py

tools/run_tests/sources_and_headers.json