Restore original default Wifi sleep policy (always)

BUG: b/7092819

Change-Id: I6ee6755fd04df2f0169f8602e60542c3591038f3
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

Author: Dmitry Shmidt

packages/SettingsProvider/res/values/defaults.xml

@@ -46,8 +46,8 @@
     <bool name="def_netstats_enabled">true</bool>
     <bool name="def_usb_mass_storage_enabled">true</bool>
     <bool name="def_wifi_on">false</bool>
-    <!-- 0 == default, 1 == never while plugged, 2 == never -->
-    <integer name="def_wifi_sleep_policy">0</integer>
+    <!-- 0 == never, 1 == only when plugged in, 2 == always -->
+    <integer name="def_wifi_sleep_policy">2</integer>
     <bool name="def_networks_available_notification_on">true</bool>
 
     <bool name="def_backup_enabled">false</bool>