Weaver: functional VTS tests

Bug: 37530412
Test: VtsHalWeaverV1_0TargetTest
Change-Id: I6309acac45321b221c885cb10ca30bf653aa23ab
(cherry picked from commit 491fe84c2d51f5d08f93a7e2bbbe58f403d07359)
diff --git a/weaver/Android.bp b/weaver/Android.bp
index bbb3e4b..33f70eb 100644
--- a/weaver/Android.bp
+++ b/weaver/Android.bp
@@ -1,4 +1,5 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
     "1.0",
+    "1.0/vts/functional",
 ]