am 068f5929: Fix memory leak in NotificationStackScrollLayout

import android.view.View;

import android.view.ViewConfiguration;

import android.view.ViewGroup;

import android.view.ViewParent;

import android.widget.OverScroller;

import com.android.systemui.ExpandHelper;

                super.onInterceptTouchEvent(ev);

    }

    @Override

    protected void onViewRemoved(View child) {

        super.onViewRemoved(child);

        mCurrentStackScrollState.removeViewStateForView(child);

    }

    private boolean onInterceptTouchEventScroll(MotionEvent ev) {

        /*

         * This method JUST determines whether we want to intercept the motion.

        return mStateMap.get(requestedView);

    }

    public void removeViewStateForView(View child) {

        mStateMap.remove(child);

    }

    /**

     * Apply the properties saved in {@link #mStateMap} to the children of the {@link #mHostView}.

     * The properties are only applied if they effectively changed.