Adds a function in LM for fetching ADAS allowlist

Bug: 244264468
Test: none

Change-Id: I0bf0d4e0ef45aea8726d52bc661a6713c5e986ce

core/java/android/os/PackageTagsList.java

@@ -26,6 +26,7 @@ import android.util.ArraySet;
 import com.android.internal.annotations.Immutable;
 
 import java.io.PrintWriter;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
 import java.util.Objects;
@@ -140,6 +141,17 @@ public final class PackageTagsList implements Parcelable {
         return true;
     }
 
+    /**
+     * Returns a list of packages.
+     *
+     * @deprecated Do not use.
+     * @hide
+     */
+    @Deprecated
+    public @NonNull Collection<String> getPackages() {
+        return new ArrayList<>(mPackageTags.keySet());
+    }
+
     public static final @NonNull Parcelable.Creator<PackageTagsList> CREATOR =
             new Parcelable.Creator<PackageTagsList>() {
                 @SuppressWarnings("unchecked")
@@ -217,7 +229,7 @@ public final class PackageTagsList implements Parcelable {
                     if (j > 0) {
                         pw.print(", ");
                     }
-                    if (attributionTag.startsWith(packageName)) {
+                    if (attributionTag != null && attributionTag.startsWith(packageName)) {
                         pw.print(attributionTag.substring(packageName.length()));
                     } else {
                         pw.print(attributionTag);

location/java/android/location/ILocationManager.aidl

@@ -141,4 +141,5 @@ interface ILocationManager
     // used by gts tests to verify whitelists
     String[] getBackgroundThrottlingWhitelist();
     PackageTagsList getIgnoreSettingsAllowlist();
+    PackageTagsList getAdasAllowlist();
 }

location/java/android/location/LocationManager.java

@@ -503,6 +503,19 @@ public class LocationManager {
         }
     }
 
+    /**
+     * Returns ADAS packages and their associated attribution tags.
+     *
+     * @hide
+     */
+    public @NonNull PackageTagsList getAdasAllowlist() {
+        try {
+            return mService.getAdasAllowlist();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * Returns the extra location controller package on the device.
      *

services/core/java/com/android/server/location/LocationManagerService.java

@@ -675,6 +675,11 @@ public class LocationManagerService extends ILocationManager.Stub implements
         return mInjector.getSettingsHelper().getIgnoreSettingsAllowlist();
     }
 
+    @Override
+    public PackageTagsList getAdasAllowlist() {
+        return mInjector.getSettingsHelper().getAdasAllowlist();
+    }
+
     @Nullable
     @Override
     public ICancellationSignal getCurrentLocation(String provider, LocationRequest request,