Set fit insets type for decor insets test am: 614ed9e0 am: 43e2a2b2 am:...

Set fit insets type for decor insets test am: 614ed9e0 am: 43e2a2b2 am: 1c4ea6d2 am: e9f97903

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23468179



Change-Id: Ie5c19e847856e15e8b0212205b8d872e16da6d3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>