Make libfreetype2 available to vendor

Cuttlefish uses this library via libteeui, and this library can be built
for what is normally "host" if running cuttlefish nested on device.

Bug: 183667148
Test: m installclean && m -j 40
Change-Id: Ia0f7931067bf00313970c013186539504a47bdf2
diff --git a/Android.bp b/Android.bp
index c042a3b..1ba04a2 100644
--- a/Android.bp
+++ b/Android.bp
@@ -148,5 +148,6 @@
 // variant of libft2 without any library dependencies.
 cc_library_static {
     name: "libft2.nodep",
+    vendor_available: true,
     defaults: ["libft2_defaults"],
 }