Merge "5/n: Add support for initial coex cases" into sc-dev am: 30a9a9b5 am: b3d1ab40

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15329699

Change-Id: Ia7a0b07bf780790ad247387b3b6e209c9ca792c3