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: I55b7d94f1839f99e3a2ce4caa9917d41f213cff2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>