Merge pull request #4381 from dgquintas/compression_coverage_2

Makefile

build.yaml

include/grpc/compression.h

src/core/compression/algorithm.c

src/core/compression/message_compress.c

test/core/compression/algorithm_test.c

test/core/compression/compression_test.c

test/core/compression/message_compress_test.c

tools/run_tests/sources_and_headers.json

tools/run_tests/tests.json

vsprojects/buildtests_c.sln

...ojects/vcxproj/test/algorithm_test/algorithm_test.vcxproj

...cxproj/test/algorithm_test/algorithm_test.vcxproj.filters