R4O6: : Update BQR Event Mask property value

Bug: 331942476
Test: Build Pass
Change-Id: I737f969b4ac95ec84ff6f26561e0da1c64def093
diff --git a/bluetooth/bt_vendor_overlay.conf b/bluetooth/bt_vendor_overlay.conf
index 4208da8..e12005e 100644
--- a/bluetooth/bt_vendor_overlay.conf
+++ b/bluetooth/bt_vendor_overlay.conf
@@ -2,4 +2,7 @@
 
 BtA2dpOffloadCap = sbc-aac-aptx-aptxhd-ldac-opus
 
+# Update BQR Event Mask property value
+BqrEventMaskValueUpdate = 262238
+
 BtOpusEnabled = true