Remove sendNetworkConditionsBroadcast

sendNetworkConditionsBroadcast is removed, so
TestNetworkStackService.kt cannot override it anymore,
otherwise there will be a build break when running this
test.
Also add a comment for NETWORK_CONDITIONS_MEASURED in
AndroidManifest.xml.

Bug: 175213041
Test: atest FrameworksNetIntegrationTests
Change-Id: I7b43940dc32826c70fa82f471b35bc5cb8394aad
Merged-In: I7b43940dc32826c70fa82f471b35bc5cb8394aad
(cherry picked from commit c737926795a8cedab091cf01c30914a1bf844da1)

Author: lucaslin

core/res/AndroidManifest.xml

@@ -389,6 +389,8 @@
     <protected-broadcast android:name="android.net.wifi.p2p.action.WIFI_P2P_PERSISTENT_GROUPS_CHANGED" />
     <protected-broadcast android:name="android.net.conn.TETHER_STATE_CHANGED" />
     <protected-broadcast android:name="android.net.conn.INET_CONDITION_ACTION" />
+    <!-- This broadcast is no longer sent in S but it should stay protected to avoid third party
+         apps broadcasting this and confusing old system apps that may not have been updated. -->
     <protected-broadcast android:name="android.net.conn.NETWORK_CONDITIONS_MEASURED" />
     <protected-broadcast
             android:name="android.net.ConnectivityService.action.PKT_CNT_SAMPLE_INTERVAL_ELAPSED" />

tests/net/integration/src/com/android/server/net/integrationtests/TestNetworkStackService.kt

@@ -59,7 +59,6 @@ class TestNetworkStackService : Service() {
     private class NetworkMonitorDeps(private val privateDnsBypassNetwork: Network) :
             NetworkMonitor.Dependencies() {
         override fun getPrivateDnsBypassNetwork(network: Network?) = privateDnsBypassNetwork
-        override fun sendNetworkConditionsBroadcast(context: Context, broadcast: Intent) = Unit
     }
 
     private inner class TestNetworkStackConnector(context: Context) : NetworkStackConnector(
@@ -94,4 +93,4 @@ class TestNetworkStackService : Service() {
             cb.onNetworkMonitorCreated(NetworkMonitorConnector(nm, TestPermissionChecker()))
         }
     }
-}
+}