Merge "Always check for availability of widgets before changing visibility of recycler view and no widgets view." into sc-dev am: e5bd97c5f8 am: 04f4b6f54e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14295627

Change-Id: Idcd2a7f85cccf02052db666a31cb94ab105c3fd4