fix xtend generator to generate 1.7 compliant sources
fix xtend generator to generate 1.7 compliant sources

Bug: 470282
Signed-off-by: Simon Kaufmann <fe80eec60aa78958d679ac47c8294c008a65d46f@googlemail.com>

clinique/smarthome,clinique/smarthome,clinique/smarthome,clinique/smarthome