Fixes

src/core/ext/transport/chttp2/transport/chttp2_transport.c

src/core/lib/channel/deadline_filter.c

src/core/lib/iomgr/error.c

src/core/lib/surface/call.c

src/core/lib/transport/transport.h

src/core/lib/transport/transport_op_string.c

test/core/end2end/tests/filter_causes_close.c