Merge "Keep the focus on the primary when launch ActivityEmbedding...

Merge "Keep the focus on the primary when launch ActivityEmbedding placeholder" into tm-dev am: 301ff2fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17913434



Change-Id: I284b7b859112670bd99b94697fbdc1ff4bf0e07f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>