Merge "Don't set a background color for scrollable preview." into udc-dev am: 6aa77d885b am: b1e13f18f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22975505

Change-Id: Ic8609902884d1c289e77deb58964bb6f263dd487
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>