Merge "Improve items arrangement in the app switcher popup" into tm-qpr-dev am: 050627e4f7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21510118

Change-Id: Idbe7f6065c6f4b7c081c47024ce6b38a4aeb9bc5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>