Remove unused imports in frameworks/base.

Change-Id: I031443de83f93eb57a98863001826671b18f3b17
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 808be21..5f49d99 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -25,7 +25,6 @@
 import android.net.NetworkUtils;
 import android.os.Binder;
 import android.os.Build.VERSION_CODES;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
@@ -38,7 +37,6 @@
 import android.os.ServiceManager;
 import android.provider.Settings;
 import android.telephony.SubscriptionManager;
-import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 import android.util.Log;
 
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index dfe2413..ab57c9b 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -26,7 +26,6 @@
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.MalformedURLException;
-import java.net.ProxySelector;
 import java.net.Socket;
 import java.net.SocketAddress;
 import java.net.SocketException;
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index 74d4ac2..24aaf0d 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -21,15 +21,12 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.util.Log;
 
 import com.android.internal.util.AsyncChannel;
 import com.android.internal.util.Protocol;
 
 import java.util.ArrayList;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * A Utility class for handling for communicating between bearer-specific
diff --git a/core/java/android/net/NetworkRequest.java b/core/java/android/net/NetworkRequest.java
index 5a09b46..7838b47 100644
--- a/core/java/android/net/NetworkRequest.java
+++ b/core/java/android/net/NetworkRequest.java
@@ -19,8 +19,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
 /**
  * Defines a request for a network, made through {@link NetworkRequest.Builder} and used
  * to request a network via {@link ConnectivityManager#requestNetwork} or listen for changes
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index 37ee961..7f1b179 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -21,7 +21,6 @@
 import android.os.Parcel;
 
 import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index b72b29d..7a9bbd6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -16,7 +16,6 @@
 
 package com.android.server;
 
-import static android.Manifest.permission.MANAGE_NETWORK_POLICY;
 import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
diff --git a/services/core/java/com/android/server/connectivity/Nat464Xlat.java b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
index 3fa21d0..a9eaeee 100644
--- a/services/core/java/com/android/server/connectivity/Nat464Xlat.java
+++ b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
@@ -22,16 +22,13 @@
 import java.net.Inet4Address;
 
 import android.content.Context;
-import android.net.IConnectivityManager;
 import android.net.InterfaceConfiguration;
 import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.NetworkAgent;
-import android.net.NetworkUtils;
 import android.net.RouteInfo;
 import android.os.Handler;
 import android.os.Message;
-import android.os.Messenger;
 import android.os.INetworkManagementService;
 import android.os.RemoteException;
 import android.util.Slog;