Merge "Add a margin around the files+text preview" into udc-dev am: f1107ce7b0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22837880

Change-Id: Icc046160d2555ea5a62f93ada9c1e106463f7f1d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>