Allow user certificate (#4375)

* Add network security config for user CA

* Use network security config

* mv

* Suppress Inspection for user CA

V2rayNG/app/src/main/AndroidManifest.xml

@@ -55,6 +55,7 @@
         android:supportsRtl="true"
         android:theme="@style/AppThemeDayNight"
         android:usesCleartextTraffic="true"
+        android:networkSecurityConfig="@xml/network_security_config"
         tools:targetApi="m">
 
         <activity

V2rayNG/app/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config xmlns:tools="http://schemas.android.com/tools">
+    <base-config>
+        <trust-anchors>
+            <certificates src="system"/>
+            <certificates src="user"
+                tools:ignore="AcceptsUserCertificates" />
+        </trust-anchors>
+    </base-config>
+</network-security-config>