Fix gradlew execution.
Fix gradlew execution.

Polidea/react-native-ble-plx,Polidea/react-native-ble-plx,Polidea/react-native-ble-plx,Polidea/react-native-ble-plx,Polidea/react-native-ble-plx,Polidea/react-native-ble-plx