dynamic_updates: Shift to common

Move some files to a `common` folder to ensure those values are used by the dynamic updates but doesn't use the dynamic updates itself, which is reserved for the `helpers`.

BUG=b:329690487
TEST=led

Change-Id: I61e777ec59f0c7a3b2c587fd658a9da0170f08d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/5464342
Tested-by: Chris DeLaGarza <cdelagarza@google.com>
Reviewed-by: Derek Beckett <dbeckett@chromium.org>
Commit-Queue: Chris DeLaGarza <cdelagarza@google.com>
12 files changed