Enable EWP feature

Bug: 220121592
Test: Manual
Change-Id: Ie21bf80e294825b299ce54e0bfa4b3e95212db93
diff --git a/device_framework_matrix_product.xml b/device_framework_matrix_product.xml
index bce7e68..271d92f 100644
--- a/device_framework_matrix_product.xml
+++ b/device_framework_matrix_product.xml
@@ -186,6 +186,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl">
+        <name>hardware.google.bluetooth.ewp</name>
+        <version>1.0</version>
+        <interface>
+            <name>IBluetoothEwp</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>vendor.google.google_battery</name>
         <version>1.2</version>