Remove ConstraintLayout from skqp app

Bug: skia:
Change-Id: I25ca750c3baa8176b01d3b642a7cdbe67686dd77
Reviewed-on: https://skia-review.googlesource.com/103440
Reviewed-by: Hal Canary <halcanary@google.com>
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Stephan Altmueller <stephana@google.com>
3 files changed