Fix test plans in examples and tests.

- Test plans needed to be updated to import protos.

BUG=b:217593078
TEST=`FEATURES='test' emerge test-plan`

Change-Id: I970e9393ed0d5dec1a8792e7cd1c84ab78546510
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/3433034
Commit-Queue: Andrew Lamb <[email protected]>
Tested-by: Andrew Lamb <[email protected]>
Auto-Submit: Andrew Lamb <[email protected]>
Reviewed-by: Raul Rangel <[email protected]>
Commit-Queue: Raul Rangel <[email protected]>
2 files changed