[automerger] Merge "Allow clearkey tests to run if no vendor modules" into oreo-vts-dev am: d5c6411aeb  -s ours am: 6790aafb8e am: a609e5d5f2 am: 2a078c0b7b
am: ca1df3a587

Change-Id: I9f06b3617ee5191ae1d8bb54e13a5bab043f1f89