Replace `npm run get-version` with JSON parser gradle function (#849)
Replace `npm run get-version` with JSON parser gradle function (#849)

* Replace npm run get-version with JSON parser from groovy
realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js