Add Settings Global value for anomaly config

1. ANOMALY_CONFIG_VERSION: version of the anomlay config
2. ANOMALY_CONFIG: a base64-encoded string of raw config.

Bug: 72385333
Test: Build
Change-Id: If990d2e00e019cc6d6a6c601de9a08bd5e649654

core/java/android/provider/Settings.java

@@ -10254,6 +10254,20 @@ public final class Settings {
          */
         public static final String BATTERY_TIP_CONSTANTS = "battery_tip_constants";
 
+        /**
+         * An integer to show the version of the anomaly config. Ex: 1, which means
+         * current version is 1.
+         * @hide
+         */
+        public static final String ANOMALY_CONFIG_VERSION = "anomaly_config_version";
+
+        /**
+         * A base64-encoded string represents anomaly stats config, used for
+         * {@link android.app.StatsManager}.
+         * @hide
+         */
+        public static final String ANOMALY_CONFIG = "anomaly_config";
+
         /**
          * Always on display(AOD) specific settings
          * This is encoded as a key=value list, separated by commas. Ex: