Ignore UnbundledChooserActivityTest am: 78c6881968 am: 18aebd5bd6 am: 4291b9de31

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/18614358

Change-Id: I32bc8e39f4fa420aeae89f9579f8aeaaa1f5bd4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>