Add /data/vendor/lib as a library location under ASan.

This is in addition to /data/lib.
Only affects SANITIZE_TARGET=address builds.

Bug: 21785137
Change-Id: Id1983cabb9479ae2d38fb23691de3eba236fe9cb
diff --git a/file_contexts_asan b/file_contexts_asan
index c125595..5ffd7e2 100644
--- a/file_contexts_asan
+++ b/file_contexts_asan
@@ -1 +1,2 @@
-/data/lib(/.*)?		u:object_r:system_file:s0
+/data/lib(/.*)?                u:object_r:system_file:s0
+/data/vendor/lib(/.*)?         u:object_r:system_file:s0