Merge "Hide dream status bar when system status bar showing." into tm-dev am: 10afa706

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17778150



Change-Id: I5b9f3b050ab41d0ffad921f773727336f0393913
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>