[roll] Roll fuchsia [block] Replace 'dummy' with 'placeholder' in src/devices/block.

This is in response to the following message by Tricium:
```
Please avoid 'dummy'. Suggested replacements: placeholder, sample, copy, prototype, mock-up.

See https://fuchsia.dev/fuchsia-src/contribute/respectful_code
```
The diffs were generated using a simple script.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/733844
Original-Revision: 791f57329089095def6aa50b7af710279e7799f7
GitOrigin-RevId: 2f4673af7036381847b8aa63b767677ee28792ac
Change-Id: Ifd790aa65349ed2bf1ca6d580a38c54fb9f36828
1 file changed
tree: 61c26e6a25af780c19dd9b8050a4e74938c020a4
  1. git-hooks/
  2. infra/
  3. third_party/
  4. cts
  5. firmware
  6. flower
  7. jiri.lock
  8. minimal
  9. prebuilts
  10. README.md
  11. stem
  12. test_durations
  13. toolchain
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

All changes should be made to the internal version of this repository. Our infrastructure automatically updates this version when the internal one changes.

Currently all changes must be made by a Google employee. Non-Google employees wishing to make a change can ask for assistance via the IRC channel #fuchsia on Freenode.

Obtaining the source

First install Jiri.

Next run:

$ jiri init
$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

Third party projects should have their own subdirectory in ./third_party.