Cross Reference: /external/grpc-grpc/tools/gource

`Name`	`Date`	`Size`
Up to higher level directory
`create_auth_context.h`	22-Oct-2020	`799`
`gen-all-logs.sh`	22-Oct-2020	`955`
`gource.sh`	22-Oct-2020	`916`
`make-video.sh`	22-Oct-2020	`931`