Ignores failing test soon to be removed am: c2a87b8b4d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/21566922

Change-Id: I664b6f42cc7c427a3cdd0dc35f15d5d85e816139
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>