Zen automatic rule page ui changes

- Can change rule name from header
- Text for turning on/off rule is now "Use rule" instead of on/off

Test: make ROBOTEST_FILTER=EntityHeaderControllerTest RunSettingsRoboTests -j40
Test: manual (Settings > Sound > Do Not Disturb > Turn On Automatically)
Bug: 63077372
Change-Id: Id55b02de0509f168c2470a4f875e84140eb840fa

src/com/android/settings/notification/ZenModeBackend.java

@@ -173,8 +173,8 @@ public class ZenModeBackend {
         savePolicy(getNewPriorityCategories(allowSenders, category),
             priorityCallSenders, priorityMessagesSenders, mPolicy.suppressedVisualEffects);
 
-        if (ZenModeSettingsBase.DEBUG) Log.d(TAG, "onPrefChange allow=" +
-                stringCategory + allowSenders + " allow" + stringCategory + "From="
+        if (ZenModeSettingsBase.DEBUG) Log.d(TAG, "onPrefChange allow" +
+                stringCategory + "=" + allowSenders + " allow" + stringCategory + "From="
                 + ZenModeConfig.sourceToString(allowSendersFrom));
     }