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: I5eaa74786553f5ed1dcc2c2e44b420d279f5739d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>