Added customized Tor config to enable local measurements

orbotservice/src/main/java/org/torproject/android/service/TorService.java

@@ -698,8 +698,20 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
         processSettingsImpl(extraLines);
         
         String torrcCustom = new String(prefs.getString("pref_custom_torrc", "").getBytes("US-ASCII"));
+
         extraLines.append(torrcCustom).append('\n');
 
+        extraLines.append("TestingTorNetwork 1").append('\n');
+        extraLines.append("UseEntryGuards 0").append('\n');
+        extraLines.append("HardwareAccel 1").append('\n');
+        extraLines.append("Sandbox 0").append('\n');
+        extraLines.append("BandwidthRate 2 GByte").append('\n');
+        extraLines.append("BandwidthBurst 2 GByte").append('\n');
+        extraLines.append("CountPrivateBandwidth 0").append('\n');
+        extraLines.append("MaxCircuitDirtiness 604800").append('\n');
+        extraLines.append("DirAuthority test000a orport=5000 no-v2 hs v3ident=80E2D2E3BD4E8A0A0FC2C44451B674DE03A910CD 141.76.45.94:7000 1C069BF080F280176EE701434087A071AC535D96").append('\n');
+        extraLines.append("DirAuthority test001a orport=5001 no-v2 hs v3ident=5D027FBA04F751C66A9C097DF25EBEF320679443 141.76.45.94:7001 81894627A13281C261552DE0B76C29FBD7DACCA2").append('\n');
+
         logNotice("updating torrc custom configuration...");
 
         debug("torrc.custom=" + extraLines.toString());