RESTRICT AUTOMERGE

Fix CDM package check

CDM was using a pckage check that returns a value intead of throwing,
resulting in failing to throw on querying other package's associations

Test: ensure attached bug no longer reproduces
Bug: 167244818
Change-Id: I21319b6f5495dcae681541c76b847aad0c00b8ab
(cherry picked from commit 30b022a8)