Merge "handle multiple cas plugins. some of them support descrambler, some of them don't" into sc-dev am: 11d5fd80af

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/13563060

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I046bdd836f37f070cd503bbbb13839819a1a4ee8