Merge "Merge "Introduce DreamLog using LogBuffer." into udc-dev am: 3022b9ce...

Merge "Merge "Introduce DreamLog using LogBuffer." into udc-dev am: 3022b9ce am: c082ec00" into udc-d1-dev-plus-aosp am: 07cc472a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22819903



Change-Id: I3170d49541350fd145767b4468407cfcaca26786
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>