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: I4469a724199bb92b00ab5fc744e064e60d66cc80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>