Only dispatch window visibility aggregation for targetSdk >= N

import android.media.AudioManager;

import android.media.AudioManager;

import android.os.Binder;

import android.os.Binder;

import android.os.Build;

import android.os.Build;

import android.os.Build.VERSION_CODES;

import android.os.Bundle;

import android.os.Bundle;

import android.os.Debug;

import android.os.Debug;

import android.os.Handler;

import android.os.Handler;

        if (viewVisibilityChanged) {

        if (viewVisibilityChanged) {

            mAttachInfo.mWindowVisibility = viewVisibility;

            mAttachInfo.mWindowVisibility = viewVisibility;

            host.dispatchWindowVisibilityChanged(viewVisibility);

            host.dispatchWindowVisibilityChanged(viewVisibility);

            // Prior to N we didn't have dispatchVisibilityAggregated to give a more accurate

            // view into when views are visible to the user or not. ImageView never dealt with

            // telling its drawable about window visibility, among other things. Some apps cause

            // an additional crossfade animation when windows become visible if they get this

            // additional call, so only send it to new apps to avoid new visual jank.

            if (host.getContext().getApplicationInfo().targetSdkVersion >= VERSION_CODES.N) {

                host.dispatchVisibilityAggregated(viewVisibility == View.VISIBLE);

                host.dispatchVisibilityAggregated(viewVisibility == View.VISIBLE);

            }

            if (viewVisibility != View.VISIBLE || mNewSurfaceNeeded) {

            if (viewVisibility != View.VISIBLE || mNewSurfaceNeeded) {

                endDragResizing();

                endDragResizing();

                destroyHardwareResources();

                destroyHardwareResources();