Encapusale running app-ops in an object

... instead of having some counters.

Also:
- No need to store token/clientId in system server
- startOP/finishOp does not require a featureId, null is ok.

Fixes: 144997947
Change-Id: Ic955cb2686f3d53b957d816397e978a80cf4d29b
4 files changed