Add Enhanced connection update SDK APIs

Add support for following ECU support.
1. Enhanced connection update SDK APIs
   support.
2. Enhanced connection update support
   in Bluetooth apk and stack.

CRs-Fixed: 3127801
Change-Id: I29a8d10aad4c797f7b082297dabaa3049bad5462

1 files changed, 53 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothGattServerCallback.java b/framework/java/android/bluetooth/BluetoothGattServerCallback.java
index 0ead5f57e8..f07ce3e13f 100644
--- a/framework/java/android/bluetooth/BluetoothGattServerCallback.java
+++ b/framework/java/android/bluetooth/BluetoothGattServerCallback.java
@@ -12,6 +12,41 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * Changes from Qualcomm Innovation Center are provided under the following license:
+ *
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted (subject to the limitations in the
+ * disclaimer below) provided that the following conditions are met:
+ *
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+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
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+ * with the distribution.
+ *
+ * Neither the name of Qualcomm Innovation Center, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
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+ *
  */
 
 package android.bluetooth;
@@ -199,4 +234,22 @@ public abstract class BluetoothGattServerCallback {
             int status) {
     }
 
+    /**
+     * Callback indicating the LE connection's subrate parameters were updated.
+     *
+     * @param device The remote device involved
+     * @param subrate factor for the LE connection.
+     * @param peripheral latency for the LE connection in number of subrated connection events.
+     * Valid range is from 0 to 499.
+     * @param continuation number. Valid range is from 0 to 499.
+     * @param timeout Supervision timeout for this connection, in 10ms unit. Valid range is from 10
+     * (0.1s) to 3200 (32s)
+     * @param status {@link BluetoothGatt#GATT_SUCCESS} if LE connection subrating has been changed
+     * successfully.
+     * @hide
+     */
+    public void onSubrateChange(BluetoothDevice device, int subrateFactor, int latency, int contNum,
+            int timeout, int status) {
+    }
+
 }