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: dfcf5d95 am: c7851653

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



Change-Id: I75b2b88a7e5f3dc1a360c14842067fb81cb6cdb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>