Create job definition for splitting phoenix test in half

Create Jenkins job definiion for splitting phoenix test in half
by time. A future commit will enable these 2 job definitions
in Zuul which will replace phoenix_quick.

Change-Id: Id8e3b7c307693141e16715e61e1278828653915f
Partial-Bug: 1386381
Merge "Create job definition for splitting phoenix test in half"