fix dependence download issue

Flutter/android/config.gradle

@@ -9,5 +9,6 @@ rootProject.ext {
     其中 latest.release 可指定为自己需要的版本号，例如 "com.tencent.liteav:LiteAVSDK_Player:9.5.29035" ，写成 latest.release 则默认使用最新版本
      */
     // liteavSdk="com.tencent.liteav:LiteAVSDK_Player:latest.release"
-   liteavSdk="com.tencent.liteav:LiteAVSDK_Professional:latest.release"
+//   liteavSdk="com.tencent.liteav:LiteAVSDK_Professional:latest.release"
+   liteavSdk="com.tencent.liteav:LiteAVSDK_Professional:10.8.0.13052"
 }
\ No newline at end of file

Flutter/example/android/build.gradle

 buildscript {
     repositories {
-        google()
         mavenCentral()
+        google()
     }
 
     dependencies {
@@ -11,8 +11,8 @@ buildscript {
 
 allprojects {
     repositories {
-        google()
         mavenCentral()
+        google()
     }
 }