添加uni.intallApk语法提示描述文件

(cherry picked from commit c18c2769)

uni_modules/uni-installApk/utssdk/index.d.ts

+declare namespace UniNamespace {
+
+interface InstallApkSuccess {
+	/**
+	 * 安装成功消息
+	 */
+	errMsg : string
+}
+
+type InstallApkErrorCode = 1300002
+interface InstallApkFail {
+	errCode : InstallApkErrorCode
+}
+
+type InstallApkComplete = any
+
+type InstallApkSuccessCallback = (res : InstallApkSuccess) => void
+type InstallApkFailCallback = (err : InstallApkFail) => void
+type InstallApkCompleteCallback = (res : InstallApkComplete) => void
+
+interface InstallApkOptions {
+	/**
+	 * apk文件地址
+	 */
+	filePath : string,
+	/**
+	 * 接口调用成功的回调函数
+	 * @defaultValue null
+	 */
+	success ?: InstallApkSuccessCallback | null,
+	/**
+	 * 接口调用失败的回调函数
+	 * @defaultValue null
+	 */
+	fail ?: InstallApkFailCallback | null,
+	/**
+	 * 接口调用结束的回调函数（调用成功、失败都会执行）
+	 * @defaultValue null
+	 */
+	complete ?: InstallApkCompleteCallback | null
+}
+
+}
+
+
+declare interface Uni {
+  /**
+    * installApk()
+    * @description
+    * 安装apk
+    * @param {InstallApkOptions}
+    * @return {void}
+    * @uniPlatform {
+    *    "app": {
+    *        "android": {
+    *            "osVer": "4.4",
+    *  		  	 "uniVer": "3.94+",
+    * 			 "unixVer": "3.94+"
+    *        },
+    *        "ios": {
+    *            "osVer": "x",
+    *  		  	 "uniVer": "x",
+    * 			 "unixVer": "x"
+    *        }
+    *    }
+    * }
+    * @example
+     ```typescript
+    uni.installApk({
+      filePath: "/xx/xx/xx.apk",
+      complete: (res: any) => {
+        console.log("complete => " + JSON.stringify(res));
+      }
+    });
+     ```
+    */
+  installApk(options : UniNamespace.InstallApkOptions) : void
+}