Separate compile task from calmbench task

Bug: skia:7344
Change-Id: I019fe5e3178d13ccf3a510bdcf1c81915149def5
Reviewed-on: https://skia-review.googlesource.com/89900
Commit-Queue: Yuqian Li <liyuqian@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
12 files changed