Fully deprecate Power Control widget.

Its behavior is obviated by quick settings and battery
saver, and so should not be shipped on any new builds by
default.

Bug: 8415180
Change-Id: Ic941a1e536c0b37c6be62fed876bfa23e34dc84b
diff --git a/res/values/bools.xml b/res/values/bools.xml
index 137d4ce..0fdc396 100644
--- a/res/values/bools.xml
+++ b/res/values/bools.xml
@@ -19,9 +19,9 @@
     <bool name="has_dock_settings">false</bool>
     <!-- Whether there is a silent mode checkbox  -->
     <bool name="has_silent_mode">true</bool>
-    <!-- Whether the power control widget is enabled for this device. Should be overridden for 
-         specific product builds. -->
-    <bool name="has_powercontrol_widget">true</bool>
+    <!-- Whether the DEPRECATED power control widget is enabled for this
+         device. Should be overridden for specific product builds. -->
+    <bool name="has_powercontrol_widget">false</bool>
 
     <!-- Display additional System Update menu if true -->
     <bool name="config_additional_system_update_setting_enable">false</bool>