Merge "Limit toasts posted by system" into rvc-dev am: 210deda3

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.RequiresPermission;

import android.annotation.UserIdInt;

import android.annotation.WorkerThread;

import android.app.ActivityManager;

import android.app.ActivityManagerInternal;

                        record = mToastQueue.get(index);

                        record.update(duration);

                    } else {

                        // Limit the number of toasts that any given package except the android

                        // package can enqueue.  Prevents DOS attacks and deals with leaks.

                        if (!isSystemToast) {

                        // Limit the number of toasts that any given package can enqueue.

                        // Prevents DOS attacks and deals with leaks.

                        int count = 0;

                        final int N = mToastQueue.size();

                        for (int i = 0; i < N; i++) {

                                }

                            }

                        }

                        }

                        Binder windowToken = new Binder();

                        mWindowManagerInternal.addWindowToken(windowToken, TYPE_TOAST, displayId);