Merge pull request #912 from ctiller/disconnect

Makefile

build.json

src/core/channel/connected_channel.c

src/core/surface/completion_queue.c

src/core/transport/chttp2_transport.c

test/core/end2end/no_server_test.c

test/core/fling/server.c

tools/buildgen/build-cleaner.py

tools/run_tests/run_lcov.sh

tools/run_tests/tests.json