Fixing issue with old tasks being visible in Overview am: b258f6a4bd

am: f4806c80ca

Change-Id: I87bb9656b8d766ea4b2763f529bbf1d8873479f4

core/java/android/provider/Settings.java

@@ -6339,6 +6339,21 @@ public final class Settings {
          */
         public static final String WEB_ACTION_ENABLED = "web_action_enabled";
 
+        /**
+         * The uptime when tasks were last persisted.  This is used to adjust the previous task
+         * active times to be relative to the current boot time.
+         * @hide
+         */
+        public static final String TASK_PERSISTER_LAST_WRITE_UPTIME = "task_persister_write_uptime";
+
+        /**
+         * Used by Overview to keep track of the last visible task's active time to determine what
+         * should tasks be visible.
+         * @hide
+         */
+        public static final String OVERVIEW_LAST_VISIBLE_TASK_ACTIVE_UPTIME =
+                "overview_last_visible_task_active_uptime";
+
         /**
          * This are the settings to be backed up.
          *