Specific error message for pending Google Play Services and Google Mo… (#648)

* Specific error message for pending Google Play Services and Google Mobile Services update

* Added details to error message

* adjusted links

* added final strings

* fixed ktlint issues

Co-authored-by: Jakob Möller <jakob.moeller@sap.com>
Co-authored-by: Muschko <marc.muschko@sap.com>
Co-authored-by: Philipp Woessner <philipp.woessner@sap.com>