Adding a localized string in the Dialog Component file.

Author: randriova

typedoc/ja/lib/dialog/IgxDialogComponent.json

@@ -302,7 +302,7 @@
                 "getter": {
                     "comment": {
                         "shortText": [
-                            "Get the position and animation settings used by the dialog.",
+                            "ダイアログで使用される位置とアニメーション設定を取得します。",
                             "```typescript",
                             "@ViewChild('alert', { static: true }) public alert: IgxDialogComponent;",
                             "let currentPosition: PositionSettings = this.alert.positionSettings",