Add a device config about moving abusive apps to restricted level

Bug: 203105544
Test: Manual - toggle the flag in device_config
Change-Id: I69fab1de00c9a02beea517252fb6dd4706c608e1

services/core/java/com/android/server/am/AppBatteryTracker.java

@@ -1673,6 +1673,7 @@ final class AppBatteryTracker extends BaseAppStateTracker<AppBatteryPolicy>
                 if (pair != null) {
                     final long[] ts = pair.first;
                     final int restrictedLevel = ts[TIME_STAMP_INDEX_RESTRICTED_BUCKET] > 0
+                            && mTracker.mAppRestrictionController.isAutoRestrictAbusiveAppEnabled()
                             ? RESTRICTION_LEVEL_RESTRICTED_BUCKET
                             : RESTRICTION_LEVEL_ADAPTIVE_BUCKET;
                     if (maxLevel > RESTRICTION_LEVEL_BACKGROUND_RESTRICTED) {

services/core/java/com/android/server/am/AppRestrictionController.java

@@ -1062,6 +1062,13 @@ public final class AppRestrictionController {
         static final String KEY_BG_AUTO_RESTRICTED_BUCKET_ON_BG_RESTRICTION =
                 DEVICE_CONFIG_SUBNAMESPACE_PREFIX + "auto_restricted_bucket_on_bg_restricted";
 
+        /**
+         * Whether or not to move the app to restricted standby level automatically
+         * when system detects it's abusive.
+         */
+        static final String KEY_BG_AUTO_RESTRICT_ABUSIVE_APPS =
+                DEVICE_CONFIG_SUBNAMESPACE_PREFIX + "auto_restrict_abusive_apps";
+
         /**
          * The minimal interval in ms before posting a notification again on abusive behaviors
          * of a certain package.
@@ -1106,6 +1113,11 @@ public final class AppRestrictionController {
         static final String KEY_BG_PROMPT_ABUSIVE_APPS_TO_BG_RESTRICTED =
                 DEVICE_CONFIG_SUBNAMESPACE_PREFIX + "prompt_abusive_apps_to_bg_restricted";
 
+        /**
+         * Default value to {@link #mBgAutoRestrictAbusiveApps}.
+         */
+        static final boolean DEFAULT_BG_AUTO_RESTRICT_ABUSIVE_APPS = true;
+
         /**
          * Default value to {@link #mBgAutoRestrictedBucket}.
          */
@@ -1138,6 +1150,8 @@ public final class AppRestrictionController {
 
         volatile boolean mBgAutoRestrictedBucket;
 
+        volatile boolean mBgAutoRestrictAbusiveApps;
+
         volatile boolean mRestrictedBucketEnabled;
 
         volatile long mBgAbusiveNotificationMinIntervalMs;
@@ -1184,6 +1198,9 @@ public final class AppRestrictionController {
                     case KEY_BG_AUTO_RESTRICTED_BUCKET_ON_BG_RESTRICTION:
                         updateBgAutoRestrictedBucketChanged();
                         break;
+                    case KEY_BG_AUTO_RESTRICT_ABUSIVE_APPS:
+                        updateBgAutoRestrictAbusiveApps();
+                        break;
                     case KEY_BG_ABUSIVE_NOTIFICATION_MINIMAL_INTERVAL:
                         updateBgAbusiveNotificationMinimalInterval();
                         break;
@@ -1232,6 +1249,7 @@ public final class AppRestrictionController {
 
         void updateDeviceConfig() {
             updateBgAutoRestrictedBucketChanged();
+            updateBgAutoRestrictAbusiveApps();
             updateBgAbusiveNotificationMinimalInterval();
             updateBgLongFgsNotificationMinimalInterval();
             updateBgPromptFgsWithNotiToBgRestricted();
@@ -1251,6 +1269,13 @@ public final class AppRestrictionController {
             }
         }
 
+        private void updateBgAutoRestrictAbusiveApps() {
+            mBgAutoRestrictAbusiveApps = DeviceConfig.getBoolean(
+                    DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                    KEY_BG_AUTO_RESTRICT_ABUSIVE_APPS,
+                    DEFAULT_BG_AUTO_RESTRICT_ABUSIVE_APPS);
+        }
+
         private void updateBgAbusiveNotificationMinimalInterval() {
             mBgAbusiveNotificationMinIntervalMs = DeviceConfig.getLong(
                     DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
@@ -1313,6 +1338,10 @@ public final class AppRestrictionController {
             pw.print('=');
             pw.println(mBgAutoRestrictedBucket);
             pw.print(prefix);
+            pw.print(KEY_BG_AUTO_RESTRICT_ABUSIVE_APPS);
+            pw.print('=');
+            pw.println(mBgAutoRestrictAbusiveApps);
+            pw.print(prefix);
             pw.print(KEY_BG_ABUSIVE_NOTIFICATION_MINIMAL_INTERVAL);
             pw.print('=');
             pw.println(mBgAbusiveNotificationMinIntervalMs);
@@ -1771,6 +1800,14 @@ public final class AppRestrictionController {
         return mRestrictionSettings.getRestrictionLevel(packageName, userId);
     }
 
+    /**
+     * @return Whether or not to move the app to restricted level automatically
+     * when system detects it's abusive.
+     */
+    boolean isAutoRestrictAbusiveAppEnabled() {
+        return mConstantsObserver.mBgAutoRestrictAbusiveApps;
+    }
+
     /**
      * @return The total foreground service durations for the given package/uid with given
      * foreground service type, or the total durations regardless the type if the given type is 0.

services/core/java/com/android/server/am/BaseAppStateTimeSlotEventsTracker.java

@@ -301,6 +301,7 @@ abstract class BaseAppStateTimeSlotEventsTracker
                 @RestrictionLevel int maxLevel) {
             synchronized (mLock) {
                 final int level = mExcessiveEventPkgs.get(packageName, uid) == null
+                        || !mTracker.mAppRestrictionController.isAutoRestrictAbusiveAppEnabled()
                         ? RESTRICTION_LEVEL_ADAPTIVE_BUCKET
                         : RESTRICTION_LEVEL_RESTRICTED_BUCKET;
                 if (maxLevel > RESTRICTION_LEVEL_RESTRICTED_BUCKET) {