[fenix] Issue https://github.com/mozilla-mobile/fenix/issues/4873: Only build fennecProduction build types with GeckoView Beta.

app/build.gradle

@@ -90,6 +90,7 @@ android {
         // | fenixNightly       | ✅            | ✅       | Built with both, but only the "geckoNightly" one is published to Google Play
         // | fenixBeta          | ❌            | ✅       | Fenix Beta ships with GV Beta
         // | fenixProduction    | ❌            | ✅       | Fenix Production ships with GV Beta
+        // | fennecProduction   | ❌            | ✅       | Fenix build to replace production Firefox builds
         //
 
         def flavors = flavors*.name.toString().toLowerCase()
@@ -101,6 +102,10 @@ android {
         if (buildType.name == 'fenixProduction' && flavors.contains("geckonightly")) {
             setIgnore true
         }
+
+        if (buildType.name == 'fennecProduction' && flavors.contains("geckonightly")) {
+            setIgnore true
+        }
     }
 
     testOptions {