Merge "5/n: Add support for initial coex cases" into sc-dev am: 30a9a9b5 am: a022da38 am: 0f6ef119

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

Change-Id: I67c0aeaeb3c0bfe0d7fa4e41ee1810fbe3abe9d1