Merge "Add a condition and remove resources when skipping post install"

        final boolean update = res.removedInfo != null && res.removedInfo.removedPackage != null;

        final String packageName = res.name;

        final PackageSetting pkgSetting = succeeded ? getPackageSetting(packageName) : null;

        if (succeeded && pkgSetting == null) {

        final boolean removedBeforeUpdate = (pkgSetting == null)

                || (pkgSetting.isSystem() && !pkgSetting.getPathString().equals(res.pkg.getPath()));

        if (succeeded && removedBeforeUpdate) {

            Slog.e(TAG, packageName + " was removed before handlePackagePostInstall "

                    + "could be executed");

            res.returnCode = INSTALL_FAILED_PACKAGE_CHANGED;

            res.returnMsg = "Package was removed before install could complete.";

            // Remove the update failed package's older resources safely now

            InstallArgs args = res.removedInfo != null ? res.removedInfo.args : null;

            if (args != null) {

                synchronized (mInstallLock) {

                    args.doPostDeleteLI(true);

                }

            }

            notifyInstallObserver(res, installObserver);

            return;

        }