修复 touch-events.uvue 示例 Android 端编译报错的问题

(cherry picked from commit e0abfa7a)

pages/component/global-events/touch-events.uvue

@@ -34,12 +34,13 @@
         icon: null as UniElement | null,
         touchTargets: "",
         touchTargetsCount: 0,
-        iconRect : null as domRect | null
+        iconRect : null as DOMRect | null
       }
     },
     onReady() {
       this.icon = uni.getElementById("icon")
       this.iconRect = this.icon.getBoundingClientRect()
+
       // 加上导航栏及状态栏高度
       this.iconRect.y += uni.getSystemInfoSync().safeArea.top + 44
     },