Merge "Treat undefined flags as false in resource flag processor" into main

            negated = true;

            featureFlag = featureFlag.substring(1).strip();

        }

        final Boolean flagValue = getFlagValue(featureFlag);

        Boolean flagValue = getFlagValue(featureFlag);

        if (flagValue == null) {

            Slog.w(LOG_TAG, "Skipping element " + parser.getName()

                    + " due to unknown feature flag " + featureFlag);

            return true;

            flagValue = false;

        }

        // Skip if flag==false && attr=="flag" OR flag==true && attr=="!flag" (negated)

        if (flagValue == negated) {

            Slog.v(LOG_TAG, "Skipping element " + parser.getName()

                    + " behind feature flag " + featureFlag + " = " + flagValue);

            return true;

        }

        return false;