Merge changes from topic "re-enable-ipsec"

* changes:
  Re-Expose IpSecService API Surface
  Re-Enable Starting of the IpSecService

core/java/android/net/IpSecAlgorithm.java

@@ -19,15 +19,15 @@ import android.annotation.StringDef;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
+
 import com.android.internal.util.HexDump;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
 /**
  * IpSecAlgorithm specifies a single algorithm that can be applied to an IpSec Transform. Refer to
  * RFC 4301.
- *
- * @hide
  */
 public final class IpSecAlgorithm implements Parcelable {
 

core/java/android/net/IpSecManager.java

@@ -25,7 +25,9 @@ import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
 import android.util.AndroidException;
 import android.util.Log;
+
 import dalvik.system.CloseGuard;
+
 import java.io.FileDescriptor;
 import java.io.IOException;
 import java.net.DatagramSocket;
@@ -36,7 +38,9 @@ import java.net.Socket;
  * This class contains methods for managing IPsec sessions, which will perform kernel-space
  * encryption and decryption of socket or Network traffic.
  *
- * @hide
+ * <p>An IpSecManager may be obtained by calling {@link
+ * android.content.Context#getSystemService(String) Context#getSystemService(String)} with {@link
+ * android.content.Context#IPSEC_SERVICE Context#IPSEC_SERVICE}
  */
 @SystemService(Context.IPSEC_SERVICE)
 public final class IpSecManager {

core/java/android/net/IpSecTransform.java

@@ -26,9 +26,12 @@ import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.util.Log;
+
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.Preconditions;
+
 import dalvik.system.CloseGuard;
+
 import java.io.IOException;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -43,8 +46,6 @@ import java.net.InetAddress;
  *
  * <p>An IpSecTransform may either represent a tunnel mode transform that operates on a wide array
  * of traffic or may represent a transport mode transform operating on a Socket or Sockets.
- *
- * @hide
  */
 public final class IpSecTransform implements AutoCloseable {
     private static final String TAG = "IpSecTransform";