Allow default messaging app to use constrained satellite network

On V+, there could be satellite network which is not restricted but
bandwidth constrained.
These satellite network has NET_CAPABILITY_NOT_RESTRICTED but does not
have NET_CAPABILITY_NOT_BANDWIDTH_CONSTRAINED.
Since NET_CAPABILITY_NOT_BANDWIDTH_CONSTRAINED is set by default, this
CL remove this capability from per-app default network request for the
default messaging app.

Test: CSSatelliteNetworkTest
Bug: 343823469
Change-Id: I413bdb764ead42d67ce1315c365500dbb8508eb3
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index bb77a9d..e653b8c 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -77,6 +77,7 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_FOREGROUND;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_LOCAL_NETWORK;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_BANDWIDTH_CONSTRAINED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_CONGESTED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED;
@@ -13282,11 +13283,12 @@
         requests.add(createDefaultInternetRequestForTransport(
                 TYPE_NONE, NetworkRequest.Type.TRACK_DEFAULT));
 
-        // request: restricted Satellite internet
+        // request: Satellite internet, satellite network could be restricted or constrained
         final NetworkCapabilities cap = new NetworkCapabilities.Builder()
                 .addCapability(NET_CAPABILITY_INTERNET)
                 .addCapability(NET_CAPABILITY_NOT_VCN_MANAGED)
                 .removeCapability(NET_CAPABILITY_NOT_RESTRICTED)
+                .removeCapability(NET_CAPABILITY_NOT_BANDWIDTH_CONSTRAINED)
                 .addTransportType(NetworkCapabilities.TRANSPORT_SATELLITE)
                 .build();
         requests.add(createNetworkRequest(NetworkRequest.Type.REQUEST, cap));
diff --git a/tests/unit/java/com/android/server/connectivityservice/CSSatelliteNetworkTest.kt b/tests/unit/java/com/android/server/connectivityservice/CSSatelliteNetworkTest.kt
index e99afe3..88c2738 100644
--- a/tests/unit/java/com/android/server/connectivityservice/CSSatelliteNetworkTest.kt
+++ b/tests/unit/java/com/android/server/connectivityservice/CSSatelliteNetworkTest.kt
@@ -43,7 +43,6 @@
 import com.android.net.module.util.CollectionUtils
 import com.android.server.ConnectivityService.PREFERENCE_ORDER_SATELLITE_FALLBACK
 import com.android.testutils.DevSdkIgnoreRule
-import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
 import com.android.testutils.DevSdkIgnoreRunner
 import com.android.testutils.TestableNetworkCallback
@@ -88,56 +87,62 @@
     }
 
     /**
-     * Test that SATELLITE_NETWORK_PREFERENCE_UIDS changes will send correct net id and uid ranges
-     * to netd.
+     * Test that satellite network satisfies satellite fallback per-app default network request and
+     * send correct net id and uid ranges to netd.
      */
-    // TODO(aosp/3109163): Run on V+ where NET_CAPABILITY_NOT_BANDWIDTH_CONSTRAINED is set by
-    //                     default
-    @Test @IgnoreAfter(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
-    fun testSatelliteNetworkPreferredUidsChanged() {
+    private fun doTestSatelliteNetworkFallbackUids(restricted: Boolean) {
         val netdInOrder = inOrder(netd)
 
-        val satelliteAgent = createSatelliteAgent("satellite0")
+        val satelliteAgent = createSatelliteAgent("satellite0", restricted)
         satelliteAgent.connect()
 
         val satelliteNetId = satelliteAgent.network.netId
+        val permission = if (restricted) {INetd.PERMISSION_SYSTEM} else {INetd.PERMISSION_NONE}
         netdInOrder.verify(netd).networkCreate(
-            nativeNetworkConfigPhysical(satelliteNetId, INetd.PERMISSION_SYSTEM))
+            nativeNetworkConfigPhysical(satelliteNetId, permission))
 
         val uid1 = PRIMARY_USER_HANDLE.getUid(TEST_PACKAGE_UID)
         val uid2 = PRIMARY_USER_HANDLE.getUid(TEST_PACKAGE_UID2)
         val uid3 = SECONDARY_USER_HANDLE.getUid(TEST_PACKAGE_UID)
 
-        // Initial satellite network preferred uids status.
-        setAndUpdateSatelliteNetworkPreferredUids(setOf())
+        // Initial satellite network fallback uids status.
+        updateSatelliteNetworkFallbackUids(setOf())
         netdInOrder.verify(netd, never()).networkAddUidRangesParcel(any())
         netdInOrder.verify(netd, never()).networkRemoveUidRangesParcel(any())
 
-        // Set SATELLITE_NETWORK_PREFERENCE_UIDS setting and verify that net id and uid ranges
-        // send to netd
+        // Update satellite network fallback uids and verify that net id and uid ranges send to netd
         var uids = mutableSetOf(uid1, uid2, uid3)
         val uidRanges1 = toUidRangeStableParcels(uidRangesForUids(uids))
         val config1 = NativeUidRangeConfig(
             satelliteNetId, uidRanges1,
             PREFERENCE_ORDER_SATELLITE_FALLBACK
         )
-        setAndUpdateSatelliteNetworkPreferredUids(uids)
+        updateSatelliteNetworkFallbackUids(uids)
         netdInOrder.verify(netd).networkAddUidRangesParcel(config1)
         netdInOrder.verify(netd, never()).networkRemoveUidRangesParcel(any())
 
-        // Set SATELLITE_NETWORK_PREFERENCE_UIDS setting again and verify that old rules are removed
-        // and new rules are added.
+        // Update satellite network fallback uids and verify that net id and uid ranges send to netd
         uids = mutableSetOf(uid1)
         val uidRanges2: Array<UidRangeParcel?> = toUidRangeStableParcels(uidRangesForUids(uids))
         val config2 = NativeUidRangeConfig(
             satelliteNetId, uidRanges2,
             PREFERENCE_ORDER_SATELLITE_FALLBACK
         )
-        setAndUpdateSatelliteNetworkPreferredUids(uids)
+        updateSatelliteNetworkFallbackUids(uids)
         netdInOrder.verify(netd).networkRemoveUidRangesParcel(config1)
         netdInOrder.verify(netd).networkAddUidRangesParcel(config2)
     }
 
+    @Test
+    fun testSatelliteNetworkFallbackUids_restricted() {
+        doTestSatelliteNetworkFallbackUids(restricted = true)
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
+    fun testSatelliteNetworkFallbackUids_nonRestricted() {
+        doTestSatelliteNetworkFallbackUids(restricted = false)
+    }
+
     private fun doTestSatelliteNeverBecomeDefaultNetwork(restricted: Boolean) {
         val agent = createSatelliteAgent("satellite0", restricted)
         agent.connect()
@@ -169,7 +174,7 @@
         assertEquals(PREFERENCE_ORDER_SATELLITE_FALLBACK, nri.mPreferenceOrder)
     }
 
-    private fun setAndUpdateSatelliteNetworkPreferredUids(uids: Set<Int>) {
+    private fun updateSatelliteNetworkFallbackUids(uids: Set<Int>) {
         visibleOnHandlerThread(csHandler) {
             deps.satelliteNetworkFallbackUidUpdate!!.accept(uids)
         }