Error handling progress in chttp2 transport

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

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

src/core/ext/transport/chttp2/transport/frame_data.h

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

src/core/ext/transport/chttp2/transport/frame_goaway.h

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

src/core/ext/transport/chttp2/transport/frame_ping.h

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

src/core/ext/transport/chttp2/transport/frame_rst_stream.h

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

src/core/ext/transport/chttp2/transport/frame_settings.h

...core/ext/transport/chttp2/transport/frame_window_update.c

...core/ext/transport/chttp2/transport/frame_window_update.h

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

src/core/ext/transport/chttp2/transport/hpack_parser.h

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

src/core/ext/transport/chttp2/transport/hpack_table.h

src/core/ext/transport/chttp2/transport/internal.h

src/core/lib/iomgr/closure.c

src/core/lib/iomgr/closure.h