Merge "Log no save ui reason if no dataset set." into tm-dev am: 30929167 am: e9d6f935 am: 827745ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18349262



Change-Id: Ife8b7a9e788fb06a8af5797f5f8624d0b12026d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>