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

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8af17c22e1f95fea6fc8bd8fea5866d24b6f0648