Merge "Handle UserSwitchingDialog animation timeouts on a non-ui thread." into main

            synchronized (mUserSwitchingDialogLock) {

                dismissUserSwitchingDialog(null);

                mUserSwitchingDialog = new UserSwitchingDialog(mService.mContext, fromUser, toUser,

                        switchingFromSystemUserMessage, switchingToSystemUserMessage);

                        mHandler, switchingFromSystemUserMessage, switchingToSystemUserMessage);

                mUserSwitchingDialog.show(onShown);

            }

        }

import android.graphics.drawable.AnimatedVectorDrawable;

import android.graphics.drawable.Drawable;

import android.os.Handler;

import android.os.Looper;

import android.os.SystemProperties;

import android.os.Trace;

import android.os.UserHandle;

    // Time to wait for the onAnimationEnd() callbacks before moving on

    private static final int ANIMATION_TIMEOUT_MS = 1000;

    private final Handler mHandler = new Handler(Looper.myLooper());

    private final Handler mHandler;

    protected final UserInfo mOldUser;

    protected final UserInfo mNewUser;

    protected final Context mContext;

    private final int mTraceCookie;

    UserSwitchingDialog(Context context, UserInfo oldUser, UserInfo newUser,

    UserSwitchingDialog(Context context, UserInfo oldUser, UserInfo newUser, Handler handler,

            String switchingFromSystemUserMessage, String switchingToSystemUserMessage) {

        super(context, R.style.Theme_Material_NoActionBar_Fullscreen);

        mContext = context;

        mOldUser = oldUser;

        mNewUser = newUser;

        mHandler = handler;

        mSwitchingFromSystemUserMessage = switchingFromSystemUserMessage;

        mSwitchingToSystemUserMessage = switchingToSystemUserMessage;

        mDisableAnimations = SystemProperties.getBoolean(