codec2 components: fix subscribed indices setter am: 28139d9a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/17942883



Change-Id: I661075ce63aa4952e4a791ece6c7db133f651705
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>