Revert "Unhide RouteInfo#getType and related fields"

Revert "Add APIs that allow to exclude routes from VPN"

Revert "Suppress NewApi warnings for @SystemApi -> public APIs"

Revert "Add VpnServiceBuilderShim for VpnService.Builder"

Revert submission 1551943-vpn-impl

Reason for revert: <DroidMonitor-triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=aosp-master&target=mainline_modules_x86_64-userdebug&lkgb=8007224&lkbb=8008168&fkbb=8007902 >, bug b/210979001
Reverted Changes:
I0e7aa077a:Add VpnServiceBuilderShim for VpnService.Builder
Ib12f5ab39:Suppress NewApi warnings for @SystemApi -> public ...
I59b9185cf:Unhide RouteInfo#getType and related fields
Ie5b62b2b2:Unhide IpPrefix(InetAddress, int)
I993a32d40:Add CTS tests for exclude VPN routes APIs
Ib24b2d3fb:Suppress NewApi warnings for @SystemApi -> public ...
Ic3b10464a:Add APIs that allow to exclude routes from VPN

Change-Id: I98d3b998e4702f56e9d5e17944238b283b29f2b2
BUG: 210979001
diff --git a/framework/api/current.txt b/framework/api/current.txt
index c53f29a..9a77a3c 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -439,15 +439,11 @@
     method @NonNull public android.net.IpPrefix getDestination();
     method @Nullable public java.net.InetAddress getGateway();
     method @Nullable public String getInterface();
-    method public int getType();
     method public boolean hasGateway();
     method public boolean isDefaultRoute();
     method public boolean matches(java.net.InetAddress);
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.net.RouteInfo> CREATOR;
-    field public static final int RTN_THROW = 9; // 0x9
-    field public static final int RTN_UNICAST = 1; // 0x1
-    field public static final int RTN_UNREACHABLE = 7; // 0x7
   }
 
   public abstract class SocketKeepalive implements java.lang.AutoCloseable {
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 7db8725..cfab872 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -432,6 +432,10 @@
     ctor public RouteInfo(@Nullable android.net.IpPrefix, @Nullable java.net.InetAddress, @Nullable String, int);
     ctor public RouteInfo(@Nullable android.net.IpPrefix, @Nullable java.net.InetAddress, @Nullable String, int, int);
     method public int getMtu();
+    method public int getType();
+    field public static final int RTN_THROW = 9; // 0x9
+    field public static final int RTN_UNICAST = 1; // 0x1
+    field public static final int RTN_UNREACHABLE = 7; // 0x7
   }
 
   public abstract class SocketKeepalive implements java.lang.AutoCloseable {