Cross Reference: /external/perfetto/src/protozero/test/example_proto

`Name`	`Date`	`Size`
Up to higher level directory
`library.proto`	22-Oct-2020	`1,006`
`library_internals/`	22-Oct-2020
`test_messages.proto`	22-Oct-2020	`2.6K`
`upper_import.proto`	22-Oct-2020	`725`