Rename KEEP_CONNECTED_DOWNSTREAM_NETWORK to K_C_LOCAL_NETWORK

...following feedback

Test: FrameworksNetTests
Change-Id: I9c25f0b066a58980bf071d2b958223ed609f0d8e
diff --git a/framework/src/android/net/NetworkScore.java b/framework/src/android/net/NetworkScore.java
index 00382f6..935dea1 100644
--- a/framework/src/android/net/NetworkScore.java
+++ b/framework/src/android/net/NetworkScore.java
@@ -46,7 +46,7 @@
             KEEP_CONNECTED_NONE,
             KEEP_CONNECTED_FOR_HANDOVER,
             KEEP_CONNECTED_FOR_TEST,
-            KEEP_CONNECTED_DOWNSTREAM_NETWORK
+            KEEP_CONNECTED_LOCAL_NETWORK
     })
     public @interface KeepConnectedReason { }
 
@@ -67,10 +67,10 @@
     public static final int KEEP_CONNECTED_FOR_TEST = 2;
     /**
      * Keep this network connected even if there is no outstanding request for it, because
-     * it is a downstream network.
+     * it is a local network.
      * @hide
      */
-    public static final int KEEP_CONNECTED_DOWNSTREAM_NETWORK = 3;
+    public static final int KEEP_CONNECTED_LOCAL_NETWORK = 3;
 
     // Agent-managed policies
     // This network should lose to a wifi that has ever been validated
diff --git a/tests/unit/java/com/android/server/connectivityservice/CSKeepConnectedTest.kt b/tests/unit/java/com/android/server/connectivityservice/CSKeepConnectedTest.kt
index 6220e76..2126a09 100644
--- a/tests/unit/java/com/android/server/connectivityservice/CSKeepConnectedTest.kt
+++ b/tests/unit/java/com/android/server/connectivityservice/CSKeepConnectedTest.kt
@@ -22,7 +22,7 @@
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
 import android.net.NetworkRequest
 import android.net.NetworkScore
-import android.net.NetworkScore.KEEP_CONNECTED_DOWNSTREAM_NETWORK
+import android.net.NetworkScore.KEEP_CONNECTED_LOCAL_NETWORK
 import android.net.NetworkScore.KEEP_CONNECTED_FOR_TEST
 import android.os.Build
 import androidx.test.filters.SmallTest
@@ -45,7 +45,7 @@
                 .addCapability(NET_CAPABILITY_LOCAL_NETWORK)
                 .build()
         val keepConnectedAgent = Agent(nc = nc, score = FromS(NetworkScore.Builder()
-                .setKeepConnectedReason(KEEP_CONNECTED_DOWNSTREAM_NETWORK)
+                .setKeepConnectedReason(KEEP_CONNECTED_LOCAL_NETWORK)
                 .build()),
                 lnc = LocalNetworkConfig.Builder().build())
         val dontKeepConnectedAgent = Agent(nc = nc, lnc = LocalNetworkConfig.Builder().build())