[go] backport [C++] Add and fix dollar_in_file.mk for --ninja
[go] backport [C++] Add and fix dollar_in_file.mk for --ninja

colincross/kati,pombredanne/kati,dalinaum/kati,shinh/kati,pombredanne/kati,danw/kati,google/kati,danw/kati,pombredanne/kati,shinh/kati,google/kati,dalinaum/kati,shinh/kati,google/kati,shinh/kati,danw/kati,dalinaum/kati,dalinaum/kati,colincross/kati,pombredanne/kati,google/kati,colincross/kati,pombredanne/kati,danw/kati,google/kati,colincross/kati,dalinaum/kati,danw/kati,danw/kati,colincross/kati,shinh/kati,pombredanne/kati,colincross/kati,shinh/kati