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

Merge "Update ActivityStarter to dismiss dreams  when starting activities." into tm-dev am: cd2cf901 am: a3625dcd am: c622c66d

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



Change-Id: Ida99180a1aad7648bc85d3e50424e787eea7b933
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>