[kernel] Expose Thread::Create with priority

Change-Id: I90e278341207b21159daa1bdf2aace266949b810
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1826190
Fuchsia-Auto-Submit: Adrian Danis <adanis@google.com>
Commit-Queue: Adrian Danis <adanis@google.com>
Reviewed-by: Abdulla Kamar <abdulla@google.com>
Presubmit-Verified: fuchsia-internal-scoped@luci-project-accounts.iam.gserviceaccount.com <fuchsia-internal-scoped@luci-project-accounts.iam.gserviceaccount.com>
2 files changed