Enabling Observe mode

Bug: 327601464
Test: Tested on local device
Change-Id: Idb5d29f30cc2a59d283133df9d79634ee027fb3b

rro_overlays/NfcOverlay/res/values/config.xml

@@ -32,4 +32,5 @@
   <integer-array name="antenna_y">
     <item>102</item>
   </integer-array>
+  <bool name="nfc_observe_mode_supported">true</bool>
 </resources>