Cherish: Incall vibration option [3/3]

* this works with google and aosp dialer :)

Adapted to PE

Change-Id: Ia3a239ef4c3c5e9ad6e1efae5def7e06f333cbfe

res/values/cherish_strings.xml

@@ -54,4 +54,7 @@
     <string name="qs_bg_use_new_tint">QS tile colors</string>
     <string name="qs_bg_use_new_tint_summary">Use accent color for qs tile icons and background</string>
 
+    <!-- In-call feedback -->
+    <string name="incall_feeedback_vibrate_title">Vibrate to indicate call status</string>
+
 </resources>