Merge "Disable the notifications status icon in dream status bar." into tm-qpr-dev am: 653d715c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18896222



Change-Id: I0fea2e969442783be886e407624e0bf6c52a9c0d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>