Merge "Update ActivityStarter to dismiss dreams when starting activities."...

Merge "Update ActivityStarter to dismiss dreams  when starting activities." into tm-dev am: cd2cf901 am: b91941ea am: 3fa7dbba am: fb0909c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18602463



Change-Id: I36f9fcf26f16f9815bc3e911e33df21d8648f8f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>