Build: Fix vendor sanitizer library for secondary arch

Fix the directory for secondary-architecture libraries under
sanitization. These incorrectly wrote into vendor/lib instead
of data/vendor/lib.

Bug: 29498013

(cherry picked from commit cf6268f471f50599c004f6f18ee662273a0542b8)

Change-Id: Iee08422a1f7ad42cbe71a322347e98cb74e3ef7f
1 file changed