dataconnect: fix outdated comments that refer to "alpha" and "beta" versions of the sdk, since it is now generally available.#7247

dconeybe merged 1 commit intomainfirebase/firebase-android-sdk:mainfrom

dconeybe/dataconnect/AlphaBetaKtdocUpdatesfirebase/firebase-android-sdk:dconeybe/dataconnect/AlphaBetaKtdocUpdatesCopy head branch name to clipboard