Add system property for le_audio_allow_list

Bug: 239768625
Test: Manual
Tag: #feature
Change-Id: I81d708a915f39a5e3dbb1e08b17043601e371bfc
diff --git a/srcs/android/sysprop/BluetoothProperties.sysprop b/srcs/android/sysprop/BluetoothProperties.sysprop
index c2e0f80..3d972fb 100644
--- a/srcs/android/sysprop/BluetoothProperties.sysprop
+++ b/srcs/android/sysprop/BluetoothProperties.sysprop
@@ -97,6 +97,14 @@
     prop_name: "persist.bluetooth.factoryreset"
 }
 
+prop {
+    api_name: "le_audio_allow_list"
+    type: StringList
+    scope: Public
+    access: ReadWrite
+    prop_name: "persist.bluetooth.leaudio.allow_list"
+}
+
 ######## Bluetooth configurations
 
 # Whether GAP BLE Privacy (RPA) is enabled on this device.