Support titleBarTitleTextCentered in AppStyle (#1102)

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

         result.titleBarButtonColor = getColor("titleBarButtonColor", getTitleBarButtonColor());
         result.titleBarDisabledButtonColor = getColor("titleBarDisabledButtonColor", getTitleBarDisabledButtonColor());
         result.titleBarTitleFont = getFont("titleBarTitleFontFamily", getDefaultTitleTextFontFamily());
-        result.titleBarTitleTextCentered = getBoolean("titleBarTitleTextCentered", false);
+        result.titleBarTitleTextCentered = getBoolean("titleBarTitleTextCentered", getDefaultTitleBarTextCentered());
         result.backButtonHidden = getBoolean("backButtonHidden", getDefaultBackButtonHidden());
         result.topTabsHidden = getBoolean("topTabsHidden", getDefaultTopTabsHidden());
 
         return AppStyle.appStyle == null ? new StyleParams.Font() : AppStyle.appStyle.titleBarTitleFont;
     }
 
+    private boolean getDefaultTitleBarTextCentered() {
+        return AppStyle.appStyle != null && AppStyle.appStyle.titleBarTitleTextCentered;
+    }
+
     private boolean getBoolean(String key, boolean defaultValue) {
         return params.containsKey(key) ? params.getBoolean(key) : defaultValue;
     }