standardize system notification IDs

All the trivial cases, plus some fixes to try to
mitigate collisions with the complex ones.

Complex services to follow in another CL,

Bug: 32584866
Test: make framework services
Change-Id: Ie9663600171d8ede11676e9d66f009dbb06def03
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 297d5bd..65a4604 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -23,6 +23,7 @@
 import android.util.Log;
 import android.view.Display;
 import com.android.internal.inputmethod.InputMethodSubtypeHandle;
+import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.os.SomeArgs;
 import com.android.internal.R;
@@ -986,7 +987,7 @@
                                     com.android.internal.R.color.system_notification_accent_color))
                             .build();
             mNotificationManager.notifyAsUser(null,
-                    R.string.select_keyboard_layout_notification_title,
+                    SystemMessage.NOTE_SELECT_KEYBOARD_LAYOUT,
                     notification, UserHandle.ALL);
             mKeyboardLayoutNotificationShown = true;
         }
@@ -997,7 +998,7 @@
         if (mKeyboardLayoutNotificationShown) {
             mKeyboardLayoutNotificationShown = false;
             mNotificationManager.cancelAsUser(null,
-                    R.string.select_keyboard_layout_notification_title,
+                    SystemMessage.NOTE_SELECT_KEYBOARD_LAYOUT,
                     UserHandle.ALL);
         }
     }