Merge "Hide thumbnail prview if no preview has loaded" into udc-dev am: 11b9cf84dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22540113

Change-Id: I474a76fda06cc3d487cf1735a33ed7a800bdf598
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>