android: use same com.gulden.wallet app id as old wallet to support upgrading
android: use same com.gulden.wallet app id as old wallet to support upgrading

nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official,nlgcoin/guldencoin-official