Hide LogicalChannel operations developer preview.

Bug: 15193354
Change-Id: I0e41ab7bd8bb3aab9af855f022cb89349802f63f

api/current.txt

@@ -28205,12 +28205,8 @@ package android.telephony {
     method public java.lang.String getVoiceMailAlphaTag();
     method public java.lang.String getVoiceMailNumber();
     method public boolean hasIccCard();
-    method public boolean iccCloseLogicalChannel(int);
-    method public int iccOpenLogicalChannel(java.lang.String);
-    method public java.lang.String iccTransmitApduLogicalChannel(int, int, int, int, int, int, java.lang.String);
     method public boolean isNetworkRoaming();
     method public void listen(android.telephony.PhoneStateListener, int);
-    method public java.lang.String sendEnvelopeWithStatus(java.lang.String);
     field public static final java.lang.String ACTION_PHONE_STATE_CHANGED = "android.intent.action.PHONE_STATE";
     field public static final java.lang.String ACTION_RESPOND_VIA_MESSAGE = "android.intent.action.RESPOND_VIA_MESSAGE";
     field public static final int CALL_STATE_IDLE = 0; // 0x0

telephony/java/android/telephony/TelephonyManager.java

@@ -1752,6 +1752,8 @@ public class TelephonyManager {
      *
      * @param AID Application id. See ETSI 102.221 and 101.220.
      * @return The logical channel id which is negative on error.
+     *
+     * @hide
      */
     public int iccOpenLogicalChannel(String AID) {
         try {
@@ -1773,6 +1775,8 @@ public class TelephonyManager {
      * @param channel is the channel id to be closed as retruned by a successful
      *            iccOpenLogicalChannel.
      * @return true if the channel was closed successfully.
+     *
+     * @hide
      */
     public boolean iccCloseLogicalChannel(int channel) {
         try {
@@ -1802,6 +1806,8 @@ public class TelephonyManager {
      * @param data Data to be sent with the APDU.
      * @return The APDU response from the ICC card with the status appended at
      *            the end. If an error occurs, an empty string is returned.
+     *
+     * @hide
      */
     public String iccTransmitApduLogicalChannel(int channel, int cla,
             int instruction, int p1, int p2, int p3, String data) {
@@ -1826,6 +1832,8 @@ public class TelephonyManager {
      * @return The APDU response from the ICC card, with the last 4 bytes
      *         being the status word. If the command fails, returns an empty
      *         string.
+     *
+     * @hide
      */
     public String sendEnvelopeWithStatus(String content) {
         try {