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: I0a5c94e3e4e238ad9726c639e09e93c9ebde1621
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>