Fix tabIndicatorHeight (#512)

android/app/src/main/java/com/reactnativenavigation/params/parsers/StyleParamsParser.java

@@ -202,9 +202,7 @@ public class StyleParamsParser {
         }
     }
 
-    private int getInt(String selectedTopTabIndicatorHeight, int defaultSelectedTopTabIndicatorHeight) {
-        return params.containsKey(selectedTopTabIndicatorHeight) ?
-                (int) params.getDouble(selectedTopTabIndicatorHeight) :
-                defaultSelectedTopTabIndicatorHeight;
+    private int getInt(String key, int defaultValue) {
+        return params.containsKey(key) ? params.getInt(key) : defaultValue;
     }
 }