Fix grid options provider metadata

The actual authority is {packagename}.grid_control.

Bug: 122262084
Change-Id: I5552ccdb818efa49900409035e41505ed2f7687b
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9500a2f..b4313f0 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -63,7 +63,7 @@
             </intent-filter>
             <meta-data
                 android:name="com.android.launcher3.grid.control"
-                android:value="${packageName}.grid.control" />
+                android:value="${packageName}.grid_control" />
         </activity>
 
     </application>