Add vendor_available to native_headers for sensor_test

Bug: 353866458
Test: Presubmits
Flag: EXEMPT bugfix

Change-Id: I39750e1c7c06740a4c56d455271985bdd800d2db
diff --git a/Android.bp b/Android.bp
index 4befb1b..72311f0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -38,6 +38,7 @@
 
 cc_library_headers {
     name: "native_headers",
+    vendor_available: true,
     host_supported: true,
     target: {
         windows: {