Merge "Add trace logs for UserController#dispatchUserSwitchComplete."

    /** Called on handler thread */

    @VisibleForTesting

    void dispatchUserSwitchComplete(@UserIdInt int userId) {

        final TimingsTraceAndSlog t = new TimingsTraceAndSlog();

        t.traceBegin("dispatchUserSwitchComplete-" + userId);

        mInjector.getWindowManager().setSwitchingUser(false);

        final int observerCount = mUserSwitchObservers.beginBroadcast();

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

            try {

                t.traceBegin("onUserSwitchComplete-" + userId + " #" + i + " "

                        + mUserSwitchObservers.getBroadcastCookie(i));

                mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(userId);

                t.traceEnd();

            } catch (RemoteException e) {

            }

        }

        mUserSwitchObservers.finishBroadcast();

        t.traceEnd();

    }

    private void dispatchLockedBootComplete(@UserIdInt int userId) {