LE: Un-hide new congestion control and MTU APIs

Change-Id: I5ce395481620dd7ab611b1ab0eaeb5e29c4f13fa
diff --git a/core/java/android/bluetooth/BluetoothGatt.java b/core/java/android/bluetooth/BluetoothGatt.java
index 4255cd4..8b7b0af9 100644
--- a/core/java/android/bluetooth/BluetoothGatt.java
+++ b/core/java/android/bluetooth/BluetoothGatt.java
@@ -86,9 +86,7 @@
     /** A write operation exceeds the maximum length of the attribute */
     public static final int GATT_INVALID_ATTRIBUTE_LENGTH = 0xd;
 
-    /** A remote device connection is congested.
-     * @hide
-     */
+    /** A remote device connection is congested. */
     public static final int GATT_CONNECTION_CONGESTED = 0x8f;
 
     /** A GATT operation failed, errors other than the above */
@@ -1263,7 +1261,6 @@
      * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
      *
      * @return true, if the new MTU value has been requested successfully
-     * @hide
      */
     public boolean configureMTU(int mtu) {
         if (DBG) Log.d(TAG, "configureMTU() - device: " + mDevice.getAddress()
diff --git a/core/java/android/bluetooth/BluetoothGattCallback.java b/core/java/android/bluetooth/BluetoothGattCallback.java
index b5e60f2..5817d68 100644
--- a/core/java/android/bluetooth/BluetoothGattCallback.java
+++ b/core/java/android/bluetooth/BluetoothGattCallback.java
@@ -149,7 +149,6 @@
      * @param gatt GATT client invoked {@link BluetoothGatt#configureMTU}
      * @param mtu The new MTU size
      * @param status {@link BluetoothGatt#GATT_SUCCESS} if the MTU has been changed successfully
-     * @hide
      */
     public void onConfigureMTU(BluetoothGatt gatt, int mtu, int status) {
     }
@@ -164,7 +163,6 @@
      *
      * @param gatt The GATT client associated with the remote device
      * @param congested true, if the connection is currently congested
-     * @hide
      */
     public void onConnectionCongested(BluetoothGatt gatt, boolean congested) {
     }
diff --git a/core/java/android/bluetooth/BluetoothGattServerCallback.java b/core/java/android/bluetooth/BluetoothGattServerCallback.java
index 4fbeb46..3a1b38ee 100644
--- a/core/java/android/bluetooth/BluetoothGattServerCallback.java
+++ b/core/java/android/bluetooth/BluetoothGattServerCallback.java
@@ -142,7 +142,6 @@
      *
      * @param device The remote device the notification has been sent to
      * @param status 0 if the operation was successful
-     * @hide
      */
     public void onNotificationSent(BluetoothDevice device, int status) {
     }
@@ -157,7 +156,6 @@
      *
      * @param device The remote device that triggered the congestion state change
      * @param congested true, if the connection is currently congested
-     * @hide
      */
     public void onConnectionCongested(BluetoothDevice device, boolean congested) {
     }