Standardize print format for outputs from `watch` command

The `watch` command currently prints output in two different formats
depeneding on whether the clients are active or not. This CL converts
the two outputs to use the same format.

Also fixes a typo.

Bug: 199746421
Test: Manually Tested
Change-Id: I4008eed0170e9aa52a78cd6a40b04a617ca49c4e