Fix licenses and license text. am: 182a185fdc am: 1f7b50f343 am: 1dbd17ec5b am: 31cfa26d11 am: dee4ead161

Original change: https://android-review.googlesource.com/c/platform/frameworks/layoutlib/+/1955279

Change-Id: Ic1048e38ad699733df3454e525eae01747deed73