Merge "Insert a check that keyguard is invisible into waitForLauncherCondition" into udc-dev am: db7009544e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23441208

Change-Id: Id608e33cbb8f4438d20d70a4a032321cdfd3596a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>