Enable handover support for Google devices.

Enables support for Telecom handover from Telephony ConnectionService
to another ConnectionService for Google devices.

Test: Manual
Bug: 37102939
Change-Id: I07c9470b146b9be468f086904f3933df8fe1e360
diff --git a/overlay/packages/services/Telephony/res/values/config.xml b/overlay/packages/services/Telephony/res/values/config.xml
index 822d718..430d16e 100644
--- a/overlay/packages/services/Telephony/res/values/config.xml
+++ b/overlay/packages/services/Telephony/res/values/config.xml
@@ -27,4 +27,6 @@
     <bool name="config_allow_hfa_outside_of_setup_wizard">false</bool>
     <!-- Show Hearing aids option in  Call Settings -->
     <bool name="hac_enabled">true</bool>
+    <!-- Allow handover from telephony calls to another ConnectionService. -->
+    <bool name="config_support_handover_from">true</bool>
 </resources>