Merge "Log no save ui reason if no dataset set." into tm-dev am: 30929167 am: a2c9e9cd

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



Change-Id: I19380cc76373f0a1b0b6d05dcd121d0b294c1c5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>