Merge "Controls UI - Remove stale references to prevent memory leak"

        private const val SUGGESTED_STRUCTURES = 6L

        private const val SUGGESTED_CONTROLS_REQUEST =

            ControlsControllerImpl.SUGGESTED_CONTROLS_PER_STRUCTURE * SUGGESTED_STRUCTURES

        private val emptyCallback = object : ControlsBindingController.LoadCallback {

            override fun accept(controls: List<Control>) {}

            override fun error(message: String) {}

        }

    }

    private var currentUser = UserHandle.of(ActivityManager.getCurrentUser())

    }

    private inner class LoadSubscriber(

        val callback: ControlsBindingController.LoadCallback,

        var callback: ControlsBindingController.LoadCallback,

        val requestLimit: Long

    ) : IControlsSubscriber.Stub() {

        val loadedControls = ArrayList<Control>()

            if (isTerminated.get()) return

            _loadCancelInternal = {}

            // Reassign the callback to clear references to other areas of code. Binders such as

            // this may not be GC'd right away, so do not hold onto these references.

            callback = emptyCallback

            currentProvider?.cancelLoadTimeout()

            backgroundExecutor.execute {