Merge "Add two more logging helper classes. One for SaveEventReported and one for SessionCommitted. They will be used in the follow-up cr." into udc-dev am: 19fa3e20 am: 87625494

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22324579



Change-Id: If8682602e91afe0cca5000c9579a1a7432a0b5a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>