Bug 1637908 - Enable touch event retargeting on android with new touchable heuristic. r=snorp

Depends on D91028

Differential Revision: https://phabricator.services.mozilla.com/D91029

modules/libpref/init/StaticPrefList.yaml

@@ -9630,7 +9630,7 @@
 
 - name: ui.touch.radius.enabled
   type: bool
-  value: false
+  value: @IS_ANDROID@
   mirror: always
 
 - name: ui.touch.radius.topmm