[automerge] switch TelecomManager List getters to ParceledListSlice 2p: d54a48f42a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19369770

Bug: 236263294
Change-Id: Ibb1d5a32c345eed74667a9dedf9179fae961adea
Merged-In: I025245b2a6f8cfaca86f268851a9d8f0817e07dd