Fix ApexSignatureVerificationTest

It fails when there's vendor apexes because
- the test tries to pull "active" apexes including vendor apexes
- but adbd can't pull vendor apexes due to sepolicy.

Until we have a proper solution to check against non-system apexes, the
test skips them.

Bug: 168540056
Test: atest CtsAppSecurityHostTestCases
Change-Id: I332318e74c89deeb0ca9df862a7171a2e0925034
1 file changed