remove gradle wrapper scripts

Change-Id: I14bd3cffb4b1cc9d5935e4382429c8bd067329d0
update gradle scripts

Change-Id: I236966754aa0501b4ba2ed709ff44c7d2f6f980e
allow setting initial state

Change-Id: Ibc513c5c97be4cf1f3415c377f9efb72d2a91d2b