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: I0a63c64d8815a3d91aba32d70847ea1289d9b767
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>