Owncloud Newsreader: fix proguard rules

metadata/de.luhmer.owncloudnewsreader.yml

@@ -1676,7 +1676,6 @@ Builds:
 
   - versionName: 0.9.9.81
     versionCode: 185
-    disable: https://github.com/nextcloud/news-android/issues/1218
     commit: 67e39539ff8f91a72e2a05a4494676248033cb36
     subdir: News-Android-App
     sudo:
@@ -1692,8 +1691,9 @@ Builds:
       - sed -i -e '/guardian.github.io/d' -e '/dirchooser/a exclude group:"com.gu",
         module:"option"' build.gradle
       - cp -a $$JavaOptionClass$$/src/ src/
+      - sed -i -e '/com.gu.option/s/#-keep class/-dontwarn/g' proguard-rules.pro
 
-AutoUpdateMode: None
+AutoUpdateMode: Version
 UpdateCheckMode: Tags
 CurrentVersion: 0.9.9.81
 CurrentVersionCode: 185