Making read permission for android content provider as systemSignature
to prevent unwanted access to user data

Bug: 74360014
Change-Id: I0155c25d91609f4492f56b221c372ec3f51442e3
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c3ddfd6..fde22eb 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -34,7 +34,7 @@
     <permission
         android:name="com.android.launcher3.permission.READ_SETTINGS"
         android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
-        android:protectionLevel="normal"
+        android:protectionLevel="signatureOrSystem"
         android:label="@string/permlab_read_settings"
         android:description="@string/permdesc_read_settings"/>
     <permission