generate_projects.sh and fix copyright year

grpc.def

include/grpc++/impl/codegen/completion_queue.h

include/grpc++/server_builder.h

include/grpc/grpc.h

src/core/lib/surface/completion_queue.c

src/core/lib/surface/completion_queue.h

src/core/lib/surface/server.c

src/cpp/server/server_builder.cc

src/proto/grpc/binary_log/v1alpha/log.proto

src/python/grpcio/grpc/_cython/imports.generated.c

src/python/grpcio/grpc/_cython/imports.generated.h

src/ruby/ext/grpc/rb_grpc_imports.generated.c

src/ruby/ext/grpc/rb_grpc_imports.generated.h

tools/fuzzer/runners/client_fuzzer.sh

tools/fuzzer/runners/hpack_parser_fuzzer_test.sh

tools/fuzzer/runners/http_fuzzer_test.sh

tools/fuzzer/runners/json_fuzzer_test.sh

tools/fuzzer/runners/nanopb_fuzzer_response_test.sh

tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh

tools/fuzzer/runners/server_fuzzer.sh