Deprecate ProviderRequest APIs

These were only ever intended for testing and should not be used
otherwise.

Flag: android.location.flags.deprecate_provider_request_apis
Bug: 361811782
Test: na
Change-Id: I839d076bf06c988638fbcfdd81a79f62fe85c491
diff --git a/location/api/system-current.txt b/location/api/system-current.txt
index f6e76a2..cf3f740 100644
--- a/location/api/system-current.txt
+++ b/location/api/system-current.txt
@@ -437,7 +437,7 @@
   }
 
   public class LocationManager {
-    method @RequiresPermission(allOf={android.Manifest.permission.LOCATION_HARDWARE, android.Manifest.permission.INTERACT_ACROSS_USERS}) public void addProviderRequestChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.location.provider.ProviderRequest.ChangedListener);
+    method @Deprecated @FlaggedApi("android.location.flags.deprecate_provider_request_apis") @RequiresPermission(allOf={android.Manifest.permission.LOCATION_HARDWARE, android.Manifest.permission.INTERACT_ACROSS_USERS}) public void addProviderRequestChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.location.provider.ProviderRequest.ChangedListener);
     method @Deprecated @RequiresPermission(android.Manifest.permission.LOCATION_HARDWARE) public void flushGnssBatch();
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_COARSE_LOCATION, android.Manifest.permission.ACCESS_FINE_LOCATION}) public void getCurrentLocation(@NonNull android.location.LocationRequest, @Nullable android.os.CancellationSignal, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.location.Location>);
     method @Nullable public String getExtraLocationControllerPackage();
@@ -452,7 +452,7 @@
     method @RequiresPermission(android.Manifest.permission.READ_DEVICE_CONFIG) public boolean isProviderPackage(@Nullable String, @NonNull String, @Nullable String);
     method @Deprecated @RequiresPermission(allOf={android.Manifest.permission.LOCATION_HARDWARE, android.Manifest.permission.UPDATE_APP_OPS_STATS}) public boolean registerGnssBatchedLocationCallback(long, boolean, @NonNull android.location.BatchedLocationCallback, @Nullable android.os.Handler);
     method @Deprecated @RequiresPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) public boolean registerGnssMeasurementsCallback(@NonNull android.location.GnssRequest, @NonNull java.util.concurrent.Executor, @NonNull android.location.GnssMeasurementsEvent.Callback);
-    method @RequiresPermission(android.Manifest.permission.LOCATION_HARDWARE) public void removeProviderRequestChangedListener(@NonNull android.location.provider.ProviderRequest.ChangedListener);
+    method @Deprecated @FlaggedApi("android.location.flags.deprecate_provider_request_apis") @RequiresPermission(android.Manifest.permission.LOCATION_HARDWARE) public void removeProviderRequestChangedListener(@NonNull android.location.provider.ProviderRequest.ChangedListener);
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_COARSE_LOCATION, android.Manifest.permission.ACCESS_FINE_LOCATION}) public void requestLocationUpdates(@Nullable android.location.LocationRequest, @NonNull android.location.LocationListener, @Nullable android.os.Looper);
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_COARSE_LOCATION, android.Manifest.permission.ACCESS_FINE_LOCATION}) public void requestLocationUpdates(@Nullable android.location.LocationRequest, @NonNull java.util.concurrent.Executor, @NonNull android.location.LocationListener);
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.ACCESS_COARSE_LOCATION, android.Manifest.permission.ACCESS_FINE_LOCATION}) public void requestLocationUpdates(@Nullable android.location.LocationRequest, @NonNull android.app.PendingIntent);
diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java
index d921730..6342489 100644
--- a/location/java/android/location/LocationManager.java
+++ b/location/java/android/location/LocationManager.java
@@ -28,6 +28,7 @@
 
 import android.Manifest;
 import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresFeature;
@@ -47,6 +48,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.location.flags.Flags;
 import android.location.provider.IProviderRequestListener;
 import android.location.provider.ProviderProperties;
 import android.location.provider.ProviderRequest;
@@ -2957,8 +2959,13 @@
      *
      * @param executor the executor that the callback runs on
      * @param listener the listener to register
+     *
+     * @deprecated Do not use - this API was intended for testing only, and may not return any
+     * results in the future.
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_DEPRECATE_PROVIDER_REQUEST_APIS)
+    @Deprecated
     @SystemApi
     @RequiresPermission(allOf = {Manifest.permission.LOCATION_HARDWARE,
             Manifest.permission.INTERACT_ACROSS_USERS})
@@ -2973,8 +2980,13 @@
      * Removes a {@link ProviderRequest.ChangedListener} that has been added.
      *
      * @param listener the listener to remove.
+     *
+     * @deprecated Do not use - this API was intended for testing only, and may not return any
+     * results in the future.
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_DEPRECATE_PROVIDER_REQUEST_APIS)
+    @Deprecated
     @SystemApi
     @RequiresPermission(Manifest.permission.LOCATION_HARDWARE)
     public void removeProviderRequestChangedListener(
diff --git a/location/java/android/location/flags/location.aconfig b/location/java/android/location/flags/location.aconfig
index 0edaaef..3c387d3 100644
--- a/location/java/android/location/flags/location.aconfig
+++ b/location/java/android/location/flags/location.aconfig
@@ -2,6 +2,13 @@
 container: "system"
 
 flag {
+    name: "deprecate_provider_request_apis"
+    namespace: "location"
+    description: "Deprecates LocationManager ProviderChanged APIs"
+    bug: "361811782"
+}
+
+flag {
     name: "keep_gnss_stationary_throttling"
     namespace: "location"
     description: "Keeps stationary throttling for the GNSS provider even if the disable_stationary_throttling flag is true."