Merge "Disable dreams home controls button when disabled on lockscreen" into udc-dev am: 68aff1a3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23322078



Change-Id: I2792bbfaa5714b869405ea3685255c8de5e14576
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>