apps/build.gradle: skiaOut is now absolute since a2e7f5ae10

Change-Id: I27df422a78209d60647db89a608fc31f9739a429
Reviewed-on: https://skia-review.googlesource.com/83361
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed