Merge "Focuses on folder container for Accessibility when no contents to focus on." into ub-launcher3-rvc-qpr-dev am: 4c7ced91c0 am: 171b2ae917

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12146163

Change-Id: I059c80cc120ce112576dede464ee49238c1ff639