Revert "Mark libft2 as non-LLNDK"

This reverts commit 230b2b75af27f4fa43f73bca356d8f58c315d49b.

Reason for revert: test for b/326534602

Bug: 326534602
Change-Id: Iafa9488bc6b272fd5c67709d27edcdcd3f1990ba
diff --git a/Android.bp b/Android.bp
index 242ca9c..cf537cb 100644
--- a/Android.bp
+++ b/Android.bp
@@ -115,7 +115,6 @@
 cc_library {
     name: "libft2",
     defaults: ["libft2_defaults"],
-    vendor_available: true,
 
     cflags: [
         // Usually these are defined in include/freetype/config/ftoption.h
@@ -152,6 +151,11 @@
             enabled: true,
         },
     },
+
+    llndk: {
+        private: true,
+        symbol_file: "libft2.map.txt",
+    },
 }
 
 // variant of libft2 without any library dependencies.