Hide Adhoc conference call API.

Marking the adhoc conference call API as @hide.

Test: make -j update-api
Bug: 148165780
Change-Id: I447ec317c66f0c1b4e7a828635b5dcf8b144e32a
diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index f54f8d1..ec99f36 100644
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -573,6 +573,7 @@
         /**
          * Indicates that the call is an adhoc conference call. This property can be set for both
          * incoming and outgoing calls.
+         * @hide
          */
         public static final int PROPERTY_IS_ADHOC_CONFERENCE = 0x00002000;
 
diff --git a/telecomm/java/android/telecom/Conference.java b/telecomm/java/android/telecom/Conference.java
index 6b0845f..56acdff 100644
--- a/telecomm/java/android/telecom/Conference.java
+++ b/telecomm/java/android/telecom/Conference.java
@@ -174,6 +174,7 @@
     /**
      * Returns whether this conference is requesting that the system play a ringback tone
      * on its behalf.
+     * @hide
      */
     public final boolean isRingbackRequested() {
         return mRingbackRequested;
@@ -324,6 +325,7 @@
      * the default dialer's {@link InCallService}.
      *
      * @param videoState The video state in which to answer the connection.
+     * @hide
      */
     public void onAnswer(int videoState) {}
 
@@ -343,6 +345,7 @@
      * a request to reject.
      * For managed {@link ConnectionService}s, this will be called when the user rejects a call via
      * the default dialer's {@link InCallService}.
+     * @hide
      */
     public void onReject() {}
 
@@ -362,6 +365,7 @@
 
     /**
      * Sets state to be ringing.
+     * @hide
      */
     public final void setRinging() {
         setState(Connection.STATE_RINGING);
@@ -487,6 +491,7 @@
      * that do not play a ringback tone themselves in the conference's audio stream.
      *
      * @param ringback Whether the ringback tone is to be played.
+     * @hide
      */
     public final void setRingbackRequested(boolean ringback) {
         if (mRingbackRequested != ringback) {
@@ -736,6 +741,7 @@
      *
      * @param disconnectCause The disconnect cause, ({@see android.telecomm.DisconnectCause}).
      * @return A {@code Conference} which indicates failure.
+     * @hide
      */
     public @NonNull static Conference createFailedConference(
             @NonNull DisconnectCause disconnectCause, @NonNull PhoneAccountHandle phoneAccount) {
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 72c66d2..8049459 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -501,7 +501,7 @@
      * Set by the framework to indicate that it is an adhoc conference call.
      * <p>
      * This is used for Outgoing and incoming conference calls.
-     *
+     * @hide
      */
     public static final int PROPERTY_IS_ADHOC_CONFERENCE = 1 << 12;
 
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index f1dca03..7e5fd46 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -1827,8 +1827,8 @@
      *            {@link #registerPhoneAccount}.
      * @param extras A bundle that will be passed through to
      *            {@link ConnectionService#onCreateIncomingConference}.
+     * @hide
      */
-
     public void addNewIncomingConference(@NonNull PhoneAccountHandle phoneAccount,
             @NonNull Bundle extras) {
         try {
@@ -2066,6 +2066,7 @@
      *
      * @param participants List of participants to start conference with
      * @param extras Bundle of extras to use with the call
+     * @hide
      */
     @RequiresPermission(android.Manifest.permission.CALL_PHONE)
     public void startConference(@NonNull List<Uri> participants,