Merge changes from topic "remove_read_permission"

* changes:
  Stop calling Enforcereadpermission from DeviceConf
  Move enforceReadPermission to Setting.config

core/api/system-current.txt

@@ -10704,7 +10704,7 @@ package android.provider {
   }
 
   public final class DeviceConfig {
-    method @RequiresPermission(android.Manifest.permission.READ_DEVICE_CONFIG) public static void addOnPropertiesChangedListener(@NonNull String, @NonNull java.util.concurrent.Executor, @NonNull android.provider.DeviceConfig.OnPropertiesChangedListener);
+    method public static void addOnPropertiesChangedListener(@NonNull String, @NonNull java.util.concurrent.Executor, @NonNull android.provider.DeviceConfig.OnPropertiesChangedListener);
     method @RequiresPermission(android.Manifest.permission.WRITE_DEVICE_CONFIG) public static boolean deleteProperty(@NonNull String, @NonNull String);
     method @RequiresPermission(android.Manifest.permission.READ_DEVICE_CONFIG) public static boolean getBoolean(@NonNull String, @NonNull String, boolean);
     method @RequiresPermission(android.Manifest.permission.READ_DEVICE_CONFIG) public static float getFloat(@NonNull String, @NonNull String, float);

core/java/android/provider/DeviceConfig.java

@@ -25,7 +25,6 @@ import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
-import android.content.pm.PackageManager;
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.provider.Settings.Config.SyncDisabledMode;
@@ -1168,12 +1167,10 @@ public final class DeviceConfig {
      * @see #removeOnPropertiesChangedListener(OnPropertiesChangedListener)
      */
     @SystemApi
-    @RequiresPermission(READ_DEVICE_CONFIG)
     public static void addOnPropertiesChangedListener(
             @NonNull String namespace,
             @NonNull @CallbackExecutor Executor executor,
             @NonNull OnPropertiesChangedListener onPropertiesChangedListener) {
-        enforceReadPermission(namespace);
         synchronized (sLock) {
             Pair<String, Executor> oldNamespace = sListeners.get(onPropertiesChangedListener);
             if (oldNamespace == null) {
@@ -1295,20 +1292,6 @@ public final class DeviceConfig {
         }
     }
 
-    /**
-     * Enforces READ_DEVICE_CONFIG permission if namespace is not one of public namespaces.
-     * @hide
-     */
-    public static void enforceReadPermission(@NonNull String namespace) {
-        if (Settings.Config.checkCallingOrSelfPermission(READ_DEVICE_CONFIG)
-                != PackageManager.PERMISSION_GRANTED) {
-            if (!PUBLIC_NAMESPACES.contains(namespace)) {
-                throw new SecurityException("Permission denial: reading from settings requires:"
-                        + READ_DEVICE_CONFIG);
-            }
-        }
-    }
-
     /**
      * Returns list of namespaces that can be read without READ_DEVICE_CONFIG_PERMISSION;
      * @hide

core/java/android/provider/Settings.java

@@ -3366,7 +3366,7 @@ public final class Settings {
         public ArrayMap<String, String> getStringsForPrefix(ContentResolver cr, String prefix,
                 List<String> names) {
             String namespace = prefix.substring(0, prefix.length() - 1);
-            DeviceConfig.enforceReadPermission(namespace);
+            Config.enforceReadPermission(namespace);
             ArrayMap<String, String> keyValues = new ArrayMap<>();
             int currentGeneration = -1;
 
@@ -18370,6 +18370,21 @@ public final class Settings {
                .getApplicationContext().checkCallingOrSelfPermission(permission);
         }
 
+        /**
+         * Enforces READ_DEVICE_CONFIG permission if namespace is not one of public namespaces.
+         * @hide
+         */
+        public static void enforceReadPermission(String namespace) {
+            if (ActivityThread.currentApplication().getApplicationContext()
+                    .checkCallingOrSelfPermission(Manifest.permission.READ_DEVICE_CONFIG)
+                    != PackageManager.PERMISSION_GRANTED) {
+                if (!DeviceConfig.getPublicNamespaces().contains(namespace)) {
+                    throw new SecurityException("Permission denial: reading from settings requires:"
+                        + Manifest.permission.READ_DEVICE_CONFIG);
+                }
+            }
+        }
+
         private static void registerMonitorCallbackAsUser(
                 @NonNull ContentResolver resolver, @UserIdInt int userHandle,
                 @NonNull RemoteCallback callback) {

core/java/com/android/internal/jank/InteractionJankMonitor.java

@@ -97,6 +97,7 @@ import android.os.Handler;
 import android.os.HandlerExecutor;
 import android.os.HandlerThread;
 import android.provider.DeviceConfig;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.SparseArray;
@@ -415,7 +416,7 @@ public class InteractionJankMonitor {
     @VisibleForTesting
     public InteractionJankMonitor(@NonNull HandlerThread worker) {
         // Check permission early.
-        DeviceConfig.enforceReadPermission(
+        Settings.Config.enforceReadPermission(
             DeviceConfig.NAMESPACE_INTERACTION_JANK_MONITOR);
 
         mRunningTrackers = new SparseArray<>();

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

@@ -1144,7 +1144,7 @@ public class SettingsProvider extends ContentProvider {
             Slog.v(LOG_TAG, "getConfigSetting(" + name + ")");
         }
 
-        DeviceConfig.enforceReadPermission(/*namespace=*/name.split("/")[0]);
+        Settings.Config.enforceReadPermission(/*namespace=*/name.split("/")[0]);
 
         // Get the value.
         synchronized (mLock) {
@@ -1317,7 +1317,7 @@ public class SettingsProvider extends ContentProvider {
             Slog.v(LOG_TAG, "getAllConfigFlags() for " + prefix);
         }
 
-        DeviceConfig.enforceReadPermission(
+        Settings.Config.enforceReadPermission(
                 prefix != null ? prefix.split("/")[0] : null);
 
         synchronized (mLock) {

packages/SystemUI/src/com/android/systemui/util/DeviceConfigProxy.java

@@ -49,13 +49,6 @@ public class DeviceConfigProxy {
                 namespace, executor, onPropertiesChangedListener);
     }
 
-    /**
-     * Wrapped version of {@link DeviceConfig#enforceReadPermission}.
-     */
-    public void enforceReadPermission(String namespace) {
-        DeviceConfig.enforceReadPermission(namespace);
-    }
-
     /**
      * Wrapped version of {@link DeviceConfig#getBoolean}.
      */

packages/SystemUI/tests/utils/src/com/android/systemui/util/DeviceConfigProxyFake.java

@@ -81,11 +81,6 @@ public class DeviceConfigProxyFake extends DeviceConfigProxy {
         properties.get(namespace).put(name, value);
     }
 
-    @Override
-    public void enforceReadPermission(String namespace) {
-        // no-op
-    }
-
     private Properties propsForNamespaceAndName(String namespace, String name) {
         if (mProperties.containsKey(namespace) && mProperties.get(namespace).containsKey(name)) {
             return new Properties.Builder(namespace)