Landscape UI tweaks based upon UX/product feedback am: b2494b73cf

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22908361

Change-Id: I8b64197a1ba43dbe8b033555a03efda0fb02ad28
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>