clang-format, and process on lock splitting

src/core/transport/chttp2/alpn.h

src/core/transport/chttp2/bin_encoder.c

src/core/transport/chttp2/bin_encoder.h

src/core/transport/chttp2/frame.h

src/core/transport/chttp2/frame_data.c

src/core/transport/chttp2/frame_data.h

src/core/transport/chttp2/frame_goaway.c

src/core/transport/chttp2/frame_goaway.h

src/core/transport/chttp2/frame_ping.c

src/core/transport/chttp2/frame_ping.h

src/core/transport/chttp2/frame_rst_stream.c

src/core/transport/chttp2/frame_rst_stream.h

src/core/transport/chttp2/frame_settings.c

src/core/transport/chttp2/frame_settings.h

src/core/transport/chttp2/frame_window_update.c

src/core/transport/chttp2/frame_window_update.h

src/core/transport/chttp2/gen_hpack_tables.c

src/core/transport/chttp2/hpack_parser.c

src/core/transport/chttp2/hpack_parser.h

src/core/transport/chttp2/hpack_table.c