Merge "Allow APEXes permission XMLs to declare features."

        if (!isSystemProcess()) {

            return;

        }

        // Read configuration of libs from apex module.

        // Read configuration of features and libs from apex module.

        int apexPermissionFlag = ALLOW_LIBS | ALLOW_FEATURES;

        // TODO: Use a solid way to filter apex module folders?

        for (File f: FileUtils.listFilesOrEmpty(Environment.getApexDirectory())) {

            if (f.isFile() || f.getPath().contains("@")) {

                continue;

            }

            readPermissions(Environment.buildPath(f, "etc", "permissions"), ALLOW_LIBS);

            readPermissions(Environment.buildPath(f, "etc", "permissions"), apexPermissionFlag);

        }

    }