fdroid builds without Google and Hockey services

src/Android/Services/GoogleAnalyticsService.cs

@@ -1,4 +1,5 @@
-using System;
+#if !FDROID
+using System;
 using Bit.App;
 using Bit.App.Abstractions;
 using Plugin.Settings.Abstractions;
@@ -80,3 +81,4 @@ namespace Bit.Android.Services
         }
     }
 }
+#endif