Enable remove duplicate device in CachedBluetoothDevice.

Bug: 319197962
Test: manual
Change-Id: I910ec38e8e74b7e9fbdc0a35028a5a1009c04fab
diff --git a/packages/SettingsLib/aconfig/settingslib.aconfig b/packages/SettingsLib/aconfig/settingslib.aconfig
index fd2f9bd..bab6781 100644
--- a/packages/SettingsLib/aconfig/settingslib.aconfig
+++ b/packages/SettingsLib/aconfig/settingslib.aconfig
@@ -7,3 +7,13 @@
     bug: "314812750"
 }
 
+flag {
+    name: "enable_cached_bluetooth_device_dedup"
+    namespace: "bluetooth"
+    description: "Enable dedup in CachedBluetoothDevice"
+    bug: "319197962"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}
+