Merge github.com:grpc/grpc into ping-ping-ping-ping-ping-ping-ping-ping-ping

Makefile

src/core/census/grpc_filter.c

src/core/surface/server_create.c

src/core/transport/chttp2/hpack_encoder.c

test/core/end2end/fixtures/h2_census.c

test/core/end2end/gen_build_yaml.py

test/core/end2end/tests/census_simple_request.c

tools/run_tests/sources_and_headers.json

tools/run_tests/tests.json

vsprojects/buildtests_c.sln

...d2end_fixture_h2_census/end2end_fixture_h2_census.vcxproj

...xture_h2_census/end2end_fixture_h2_census.vcxproj.filters

...fixture_h2_census/end2end_nosec_fixture_h2_census.vcxproj

...h2_census/end2end_nosec_fixture_h2_census.vcxproj.filters

...name_nosec_test/h2_census_bad_hostname_nosec_test.vcxproj

...ec_test/h2_census_bad_hostname_nosec_test.vcxproj.filters

...sus_bad_hostname_test/h2_census_bad_hostname_test.vcxproj

...hostname_test/h2_census_bad_hostname_test.vcxproj.filters

...a_nosec_test/h2_census_binary_metadata_nosec_test.vcxproj

...test/h2_census_binary_metadata_nosec_test.vcxproj.filters