Mark dependencies of libpiex as vendor_available

libpiex is already vendor_available but its dependencies are not.
Marking them as vendor_available since a vendor_available lib cannot
link against to non vendor_available libs.

Bug: 33241851
Test: BOARD_VNDK_VERSION=current m -j libpiex.vendor
Change-Id: I9c33eb95023519f3df6cbe15df68ac864d213ae9
1 file changed