Merge "Add --skip-soong-tests argument to soong_ui and use it in...

Merge "Add --skip-soong-tests argument to soong_ui and use it in multiproduct_kati" am: d3e294d8 am: 65488c44

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1480597

Change-Id: Ie5222dd0e31e856283cecdb399634b3951e0de1d