Notification settings updates

- Footer preferences were too dim
- Fix text and target on recently sent apps
- Make 'behavior' a dialog
- reorder settings on apps page

Change-Id: Idf8056bc77ead89fe2025bbde3346861e23a3c8d
Fixes: 72652526
Fixes: 72651810
Fixes: 72652024
Bug: 72651953
Test: make RunSettingsRoboTests

tests/robotests/src/com/android/settings/notification/NotificationsOffPreferenceControllerTest.java

@@ -110,7 +110,6 @@ public class NotificationsOffPreferenceControllerTest {
         mController.updateState(pref);
 
         assertTrue(pref.getTitle().toString().contains("category"));
-        assertFalse(pref.isEnabled());
         assertFalse(pref.isSelectable());
     }
 
@@ -125,7 +124,6 @@ public class NotificationsOffPreferenceControllerTest {
         mController.updateState(pref);
 
         assertTrue(pref.getTitle().toString().contains("group"));
-        assertFalse(pref.isEnabled());
         assertFalse(pref.isSelectable());
     }
 
@@ -139,7 +137,6 @@ public class NotificationsOffPreferenceControllerTest {
         mController.updateState(pref);
 
         assertTrue(pref.getTitle().toString().contains("app"));
-        assertFalse(pref.isEnabled());
         assertFalse(pref.isSelectable());
     }
 }