Add resetter for minFrame/maxFrame properties

Is your feature request related to a problem? Please describe. Programatically I first want something to loop, so I set a min and max frame, but after a specific action, I want to play the remaining end of the animation and stop looping.

Describe the solution you’d like Either add a resetMinFrame()/resetMaxFrame() or if the lib would be in kotlin make the setMinFrame()/setMaxFrame() methods have an optional argument, that when not specified, resets the min/max values.

Describe alternatives you’ve considered Create a kotlin extension with this code:

fun LottieAnimationView.resetMaxFrame() {
    val frames = this.composition?.durationFrames?.toInt() ?: 0
    this.setMaxFrame(frames)
}

Additional context None

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[gpeal]

Let me know if that isn’t sufficient for you.

[carstenhag]

@gpeal Just saw this issue still being referenced in our code, can you please look at the above comment? Still applies. 😃 Thanks!