Updated the Particle interface kdoc to clarify the timing of the onReady and onUpdate lifecycle methods.
Updated the Particle interface kdoc to clarify the timing of the onReady and onUpdate lifecycle methods.

PiperOrigin-RevId: 340542090

PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs,PolymerLabs/arcs