Refresh WearComplicationDataSourceTestSuite

[kul3r4]

Rename to complication. In the readme, can link to ​​https://github.com/google/horologist/blob/main/media/sample/src/main/java/com/google/android/horologist/mediasample/data/service/complication/MediaStatusComplicationService.kt for another sample of complication. Update documentation if linking to this sample using old name.