Android体系实现多网共存且能独立上外网

有些场景下必要多网共存，使用网络聚合举行提拔网速。而在Android体系源码上默认是不支持多网同时共存且能独立上外网的。以是必要举行定制修改
修改如下：
1.修改main 表优先级到9999， 作用：eth1 wlan0 访问内网
2.不去teardown 低分数网线
3.修改wifi为70分，以太网为60分，4G为50分

1. diff --git a/server/RouteController.cpp b/server/RouteController.cpp
2. index ba305e6..d38aec5 100644
3. --- a/server/RouteController.cpp
4. +++ b/server/RouteController.cpp
5. @@ -721,6 +721,18 @@ int RouteController::configureDummyNetwork() {
6.      return 0;
7. }
9. +// Add a new rule to look up the 'main' table, with the same selectors as the "default network"
10. +// rule, but with a lower priority. We will never create routes in the main table; it should only be
11. +// used for directly-connected routes implicitly created by the kernel when adding IP addresses.
12. +// This is necessary,

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