Fix 2656989. Clean up update to updated system applications.

                }

                mSettings.writeLP();

            }

        } else {

            // If this is an update to an existing update, setup 

            // to remove the existing update.

            synchronized (mPackages) {

                PackageSetting ps = mSettings.getDisabledSystemPkg(packageName);

                if (ps != null && ps.codePathString != null &&

                        !ps.codePathString.equals(oldPkgSetting.codePathString)) {

                    int installFlags = 0;

                    res.removedInfo.args = createInstallArgs(0, oldPkgSetting.codePathString,

                            oldPkgSetting.resourcePathString);

                }

            }

        }

    }