Auth: Set droidguard results to "null" instead of null (#3257)

Author: DaVinci9196

play-services-core/src/main/java/org/microg/gms/auth/login/LoginActivity.java

@@ -353,7 +353,7 @@ private void retrieveRtToken(String oAuthToken) {
                 .token(oAuthToken).isAccessToken()
                 .addAccount()
                 .getAccountId()
-                .droidguardResults(null /*TODO*/)
+                .droidguardResults("null" /*TODO*/)
                 .getResponseAsync(new HttpFormClient.Callback<AuthResponse>() {
                     @Override
                     public void onResponse(AuthResponse response) {
@@ -430,6 +430,7 @@ private void retrieveGmsToken(final Account account) {
                 .hasPermission(true)
                 .addAccount()
                 .getAccountId()
+                .droidguardResults("null")
                 .getResponseAsync(new HttpFormClient.Callback<AuthResponse>() {
                     @Override
                     public void onResponse(AuthResponse response) {