Mark hidl test libs as vendor.

They must be on the vendor partition for hidl_test to be able to link to
them when the VNDK is in place.

Test: hidl_test
Bug: 33241851
(cherry picked from commit 00556e0a11c4224b31d24e815dd50299c08c61e6)
Merged-In: I23c9e0674aaf33602bc9fde0515eb2f87ce5c60c
Change-Id: I23c9e0674aaf33602bc9fde0515eb2f87ce5c60c
2 files changed