Change the call manager listeners to an array to enforce order where classes...

Change the call manager listeners to an array to enforce order where classes rely on the values from others. am: cba16c6f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/18492010



Change-Id: I8a557af22db770cd86dfa0512f6963f04c44039c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>