Merge "Improve dream logs." into udc-qpr-dev am: a46f7d77 am: cd7bb26b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23503021



Change-Id: Iadc085ba55a13ac95e986eef3074d3d2964425f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>