Update makefiles.

Test: pass
Change-Id: I5cf42c8ff1e11207394e4852ba0bd03e4e3b7d2e
diff --git a/boot/1.0/Android.bp b/boot/1.0/Android.bp
index 498c940..c56499a 100644
--- a/boot/1.0/Android.bp
+++ b/boot/1.0/Android.bp
@@ -44,6 +44,7 @@
     generated_sources: ["android.hardware.boot@1.0_genc++"],
     generated_headers: ["android.hardware.boot@1.0_genc++_headers"],
     export_generated_headers: ["android.hardware.boot@1.0_genc++_headers"],
+    vendor_available: true,
     shared_libs: [
         "libhidlbase",
         "libhidltransport",