Merge "The PageAdapter update might be caused by the RecylerView." into nyc-dev

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.drawable.BitmapDrawable;

import android.os.Handler;

import android.os.Looper;

import android.os.ParcelFileDescriptor;

import android.print.PageRange;

import android.print.PrintAttributes.MediaSize;

            if (DEBUG) {

                Log.i(LOG_TAG, "Requesting pages: " + Arrays.toString(mRequestedPages));

            }

            // This call might come from a recylerview that is currently updating. Hence delay to

            // after the update

            (new Handler(Looper.getMainLooper())).post(new Runnable() {

                @Override public void run() {

                    mCallbacks.onRequestContentUpdate();

                }

            });

        }

    }

    private PageRange[] computeRequestedPages(int pageInDocument) {