Move core' dep on concurrent-futures back to project because it's moving to beta
Move core' dep on concurrent-futures back to project because it's moving to beta

Bug: b/127342981
Test: ./gradlew buildOnServer
Change-Id: I8717f980f063c860de62a4671f8c7378a3904044

AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx