DO NOT MERGE: Don't used removed shortname in SubPlanCreatorTest

Short name for "session" no longer exists, don't use it in unit tests.

Test: ./cts/run_unit_tests.sh
bug: 32703023
bug: 32707500
Change-Id: I61d137e8de90d44f6fdddcdb908bfca5d8d376e8
(cherry picked from commit a0774a17ac62a51da90ddd9e134be2d313536204)
(cherry picked from commit 216e28dc1b996a64e89bc010afb6e7b8c2a251db)
1 file changed