Merge "Revert "Add dream overlay open animation."" into tm-qpr-dev am: 9c5f155e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20261142



Change-Id: I3054919f0f18d6b79f9bd8a8f505530aa042e462
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>