Reattach OomAdjuster rewrite flag (attempt 2)

Bug: 317113618
Test: atest MockingOomAdjusterTests
Change-Id: I5fba8c48bec926f860556feb82afdbe0e155d837
diff --git a/services/core/java/com/android/server/am/ActivityManagerConstants.java b/services/core/java/com/android/server/am/ActivityManagerConstants.java
index 1d69905..3ce91c8 100644
--- a/services/core/java/com/android/server/am/ActivityManagerConstants.java
+++ b/services/core/java/com/android/server/am/ActivityManagerConstants.java
@@ -225,7 +225,7 @@
     /**
      * The default value to {@link #KEY_ENABLE_NEW_OOMADJ}.
      */
-    private static final boolean DEFAULT_ENABLE_NEW_OOM_ADJ = false;
+    private static final boolean DEFAULT_ENABLE_NEW_OOM_ADJ = Flags.oomadjusterCorrectnessRewrite();
 
     /**
      * Same as {@link TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_NOT_ALLOWED}