Merge "Add demux to mFrontendTests" into android14-tests-dev am: f91c15c69e am: 6b983a3723

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2886668

Change-Id: Id692f651cacf426a97b68c8f046a96a8c8529edf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>