Remove additional Android v1 embedding class reference. (#1336)

* fully remove v1 embedding references

* pubspec+changelog

---------

Co-authored-by: Gray Mackall <mackall@google.com>

permission_handler_android/CHANGELOG.md

+## 12.0.7
+
+* Removes additional Android v1 embedding class reference.
+
 ## 12.0.6
 
 * Removes deprecated support for Android V1 embedding as support will be removed from Flutter (see [flutter/flutter#144726](https://github.com/flutter/flutter/pull/144726)).

permission_handler_android/android/src/main/java/com/baseflow/permissionhandler/PermissionHandlerPlugin.java

@@ -22,9 +22,6 @@ public final class PermissionHandlerPlugin implements FlutterPlugin, ActivityAwa
 
     private MethodChannel methodChannel;
 
-    @SuppressWarnings("deprecation")
-    @Nullable private io.flutter.plugin.common.PluginRegistry.Registrar pluginRegistrar;
-
     @Nullable private ActivityPluginBinding pluginBinding;
 
     @Nullable
@@ -109,10 +106,7 @@ public final class PermissionHandlerPlugin implements FlutterPlugin, ActivityAwa
     }
 
     private void registerListeners() {
-        if (this.pluginRegistrar != null) {
-            this.pluginRegistrar.addActivityResultListener(this.permissionManager);
-            this.pluginRegistrar.addRequestPermissionsResultListener(this.permissionManager);
-        } else if (pluginBinding != null) {
+        if (pluginBinding != null) {
             this.pluginBinding.addActivityResultListener(this.permissionManager);
             this.pluginBinding.addRequestPermissionsResultListener(this.permissionManager);
         }

permission_handler_android/pubspec.yaml

 name: permission_handler_android
 description: Permission plugin for Flutter. This plugin provides the Android API to request and check permissions.
 homepage: https://github.com/baseflow/flutter-permission-handler
-version: 12.0.6
+version: 12.0.7
 
 environment:
   sdk: ">=2.15.0 <4.0.0"