Yes i got it from your post. The one you ask to run adb command and u qouted the HeartRateActivity. As a example.
U qoute the same example in another topic. I just replied to that one also
The package name given by adb command =
Com.samsung.android.wear.shealth only, this opens the shealth app not the heartrate activity or stepactivity.
As in the other thread which someone managed to do