2763342 Toasts do not fire accessibility events

import android.view.View;

import android.view.WindowManager;

import android.view.WindowManagerImpl;

import android.view.accessibility.AccessibilityEvent;

import android.view.accessibility.AccessibilityManager;

/**

 * A toast is a view containing a quick little message for the user.  The toast class

        tv.setText(s);

    }

    private void trySendAccessibilityEvent() {

        AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(mContext);

        if (!accessibilityManager.isEnabled()) {

            return;

        }

        // treat toasts as notifications since they are used to

        // announce a transient piece of information to the user

        AccessibilityEvent event = AccessibilityEvent.obtain(

                AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);

        event.setClassName(getClass().getName());

        event.setPackageName(mContext.getPackageName());

        mView.dispatchPopulateAccessibilityEvent(event);

        accessibilityManager.sendAccessibilityEvent(event);

    }

    // =======================================================================================

    // All the gunk below is the interaction with the Notification Service, which handles

    // the proper ordering of these system-wide.

                }

                if (localLOGV) Log.v(TAG, "ADD! " + mView + " in " + this);

                mWM.addView(mView, mParams);

                trySendAccessibilityEvent();

            }

        }