Merge "Align file sharing UI with mocks." into udc-dev am: cc87f6ba72

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22774418

Change-Id: I4f150ef10bc1d79c37ff7b47f2218730c717374b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>