Add engine configuration to the AIDL Audio HAL interface. am: db11b2db44 am: 9e79190b8f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2215431

Change-Id: I515575245fe3404fbd0d6b6f19ac95241dd1ef2c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>