Add a flag for the Bluetooth device details page

This flag will be used to control whether we use a new, separate page
for Bluetooth device details, or the existing dialog.

Bug: 35877479
Test: make RunSettingsGoogleRoboTests
Change-Id: I2bda77493695ebe3b3bb824657a1422a68918256

src/com/android/settings/bluetooth/BluetoothFeatureProviderImpl.java

@@ -9,4 +9,9 @@ public class BluetoothFeatureProviderImpl implements BluetoothFeatureProvider {
     public boolean isPairingPageEnabled() {
         return false;
     }
+
+    @Override
+    public boolean isDeviceDetailPageEnabled() {
+        return false;
+    }
 }