App-level notification configuration settings page.

New sub-page off of notification settings to ban/unban
apps and navigate to an app's notification configuration
activity (if configured).

Centralized all notification settings artifacts under a new
settings subpackage.

Bug: 13935172
Change-Id: I53b75c02f0091900734d17dc9217035d0df9b466
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index b42f2d0..4bf0a14 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -93,6 +93,10 @@
 import com.android.settings.location.LocationSettings;
 import com.android.settings.nfc.AndroidBeam;
 import com.android.settings.nfc.PaymentSettings;
+import com.android.settings.notification.NotificationAccessSettings;
+import com.android.settings.notification.NotificationSettings;
+import com.android.settings.notification.NotificationStation;
+import com.android.settings.notification.ZenModeSettings;
 import com.android.settings.print.PrintJobSettingsFragment;
 import com.android.settings.print.PrintSettingsFragment;
 import com.android.settings.tts.TextToSpeechSettings;