!18602 翻译完成：17708 后台任务管理修改为后台任务(Background Task)管理

Merge pull request !18602 from wusongqing/TR17708

en/application-dev/reference/apis/Readme-EN.md

@@ -256,7 +256,6 @@
   - [@ohos.net.connection (Network Connection Management)](js-apis-net-connection.md)
   - [@ohos.net.ethernet (Ethernet Connection Management)](js-apis-net-ethernet.md)
   - [@ohos.net.http (Data Request)](js-apis-http.md)
-  - [@ohos.net.policy (Network Policy Management)](js-apis-net-policy.md)
   - [@ohos.net.sharing (Network Sharing)](js-apis-net-sharing.md)
   - [@ohos.net.socket (Socket Connection)](js-apis-socket.md)
   - [@ohos.net.webSocket (WebSocket Connection)](js-apis-webSocket.md)

en/application-dev/reference/apis/js-apis-resourceschedule-deviceUsageStatistics.md

@@ -1547,10 +1547,10 @@ Provides the usage duration information of an application.
 
 | Name                     | Type    | Mandatory  | Description                                      |
 | ------------------------ | ------ | ---- | ---------------------------------------- |
-| bundleName               | string | Yes   | Bundle name of the application.                                   |
-| abilityPrevAccessTime    | number | Yes   | Last time when the application was used.                            |
-| abilityInFgTotalTime     | number | Yes   | Total time that the application runs in the foreground.                            |
-| id                       | number | No   | User ID.|
+| bundleName               | string | No   | Bundle name of the application.                                   |
+| abilityPrevAccessTime    | number | No   | Last time when the application was used.                            |
+| abilityInFgTotalTime     | number | No  | Total time that the application runs in the foreground.                            |
+| id                       | number | Yes   | User ID.|
 | abilityPrevSeenTime      | number | No   | Last time when the application was visible in the foreground.|
 | abilitySeenTotalTime     | number | No   | Total time that the application is visible in the foreground.|
 | fgAbilityAccessTotalTime | number | No   | Total time that the application accesses the foreground.|