Merge "Refactor DynamicSystemInstallationService notifications" am: fe4b43da67 am: d41966bca6 am: 4eb4aa3a8a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1541269

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9bd2504346685aaca8289af3d3a50e19a011d606