Revert "Move Inet[4]AddressUtils to libs/net"

This reverts commit cf86031c12405ddb5817cf834c49a032480547b3.

Reason for revert: Breaks the build b/160390899

Merged-In: Icd141a992c46290c74929785e261a1cd57bc001b
Change-Id: Ie10e66f61393602f17fbb61bf17230b176bf1f44
diff --git a/Tethering/jarjar-rules.txt b/Tethering/jarjar-rules.txt
index 591861f..2c4059d 100644
--- a/Tethering/jarjar-rules.txt
+++ b/Tethering/jarjar-rules.txt
@@ -1,8 +1,17 @@
 # These must be kept in sync with the framework-tethering-shared-srcs filegroup.
-# Classes from the framework-tethering-shared-srcs filegroup.
-# If there are files in that filegroup that are not covered below, the classes in the
+# If there are files in that filegroup that do not appear here, the classes in the
 # module will be overwritten by the ones in the framework.
-rule com.android.internal.util.** com.android.networkstack.tethering.util.@1
+# Don't jar-jar the entire package because tethering still use some internal classes
+# (like TrafficStatsConstants in com.android.internal.util)
+# TODO: simply these when tethering is built as system_current.
+rule com.android.internal.util.BitUtils* com.android.networkstack.tethering.util.BitUtils@1
+rule com.android.internal.util.IndentingPrintWriter.java* com.android.networkstack.tethering.util.IndentingPrintWriter.java@1
+rule com.android.internal.util.IState.java* com.android.networkstack.tethering.util.IState.java@1
+rule com.android.internal.util.MessageUtils* com.android.networkstack.tethering.util.MessageUtils@1
+rule com.android.internal.util.State* com.android.networkstack.tethering.util.State@1
+rule com.android.internal.util.StateMachine* com.android.networkstack.tethering.util.StateMachine@1
+rule com.android.internal.util.TrafficStatsConstants* com.android.networkstack.tethering.util.TrafficStatsConstants@1
+
 rule android.util.LocalLog* com.android.networkstack.tethering.util.LocalLog@1
 
 rule android.net.shared.Inet4AddressUtils* com.android.networkstack.tethering.shared.Inet4AddressUtils@1
diff --git a/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java b/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java
index aaaec17..4710a30 100644
--- a/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java
+++ b/Tethering/src/android/net/dhcp/DhcpServingParamsParcelExt.java
@@ -16,7 +16,7 @@
 
 package android.net.dhcp;
 
-import static com.android.net.module.util.Inet4AddressUtils.inet4AddressToIntHTH;
+import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTH;
 
 import android.net.LinkAddress;
 import android.util.ArraySet;
diff --git a/Tethering/src/android/net/ip/IpServer.java b/Tethering/src/android/net/ip/IpServer.java
index 8af1797..a61fcfb 100644
--- a/Tethering/src/android/net/ip/IpServer.java
+++ b/Tethering/src/android/net/ip/IpServer.java
@@ -19,14 +19,13 @@
 import static android.net.RouteInfo.RTN_UNICAST;
 import static android.net.TetheringManager.TetheringRequest.checkStaticAddressConfiguration;
 import static android.net.dhcp.IDhcpServer.STATUS_SUCCESS;
+import static android.net.shared.Inet4AddressUtils.intToInet4AddressHTH;
 import static android.net.util.NetworkConstants.RFC7421_PREFIX_LENGTH;
 import static android.net.util.NetworkConstants.asByte;
 import static android.net.util.PrefixUtils.asIpPrefix;
 import static android.net.util.TetheringMessageBase.BASE_IPSERVER;
 import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
-import static com.android.net.module.util.Inet4AddressUtils.intToInet4AddressHTH;
-
 import android.net.INetd;
 import android.net.INetworkStackStatusCallback;
 import android.net.IpPrefix;
diff --git a/Tethering/tests/unit/src/android/net/ip/IpServerTest.java b/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
index 30a9d22..05cf58a 100644
--- a/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
+++ b/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
@@ -36,8 +36,7 @@
 import static android.net.netlink.StructNdMsg.NUD_FAILED;
 import static android.net.netlink.StructNdMsg.NUD_REACHABLE;
 import static android.net.netlink.StructNdMsg.NUD_STALE;
-
-import static com.android.net.module.util.Inet4AddressUtils.intToInet4AddressHTH;
+import static android.net.shared.Inet4AddressUtils.intToInet4AddressHTH;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index f1da1c7..d37aad2 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -40,6 +40,7 @@
 import static android.net.TetheringManager.TETHER_HARDWARE_OFFLOAD_STARTED;
 import static android.net.TetheringManager.TETHER_HARDWARE_OFFLOAD_STOPPED;
 import static android.net.dhcp.IDhcpServer.STATUS_SUCCESS;
+import static android.net.shared.Inet4AddressUtils.intToInet4AddressHTH;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_INTERFACE_NAME;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_MODE;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_STATE;
@@ -48,7 +49,6 @@
 import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED;
 import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 
-import static com.android.net.module.util.Inet4AddressUtils.intToInet4AddressHTH;
 import static com.android.networkstack.tethering.TetheringNotificationUpdater.DOWNSTREAM_NONE;
 import static com.android.networkstack.tethering.UpstreamNetworkMonitor.EVENT_ON_CAPABILITIES;