libvintftest => cc_library_static

... to fix a presubmit error. It is a library used solely by
vintf_object_test; vintf_object_test could not link to this
library because it was not present on the device. Static
linkage resolves the issue.

Test: run vintf_object_test
Change-Id: I803d2053c327838dcc28422a9e9f226016ff246c
Merged-In: I803d2053c327838dcc28422a9e9f226016ff246c
2 files changed