Add vendor_available:true to libcrypto_utils

Bug: 38244611
Test: build sailfish
Change-Id: Ieaaf9e03a63124cd1bb79d4c8f6e5d5d4cc7d94b
diff --git a/libcrypto_utils/Android.bp b/libcrypto_utils/Android.bp
index f2560e6..4a5f2a7 100644
--- a/libcrypto_utils/Android.bp
+++ b/libcrypto_utils/Android.bp
@@ -16,6 +16,7 @@
 
 cc_library {
     name: "libcrypto_utils",
+    vendor_available: true,
     host_supported: true,
     srcs: [
         "android_pubkey.c",