Misleading comment

[Anthony Serrato]

health-samples/health-services/ExerciseSample/app/src/main/java/com/example/exercise/HealthServicesManager.kt

Line 203 in c0d875f

      * A shared flow is used because only a single [ExerciseUpdateListener] can be reigstered at a 

comment suggests exerciseUpdateFlow is a shared flow when it is not actually a shared flow.

[Michael Stillwell]

The sample is now updated, thanks for the report!