[SE] Change CoreTests target name

Summary:
Call it StreamExecutorCoreTests in order to prevent collision with
targets from other modules.

Reviewers: jlebar, jprice

Subscribers: beanz, mgorny, jlebar, parallel_libs-commits

Differential Revision: https://reviews.llvm.org/D24949

llvm-svn: 282491
GitOrigin-RevId: 7bb01a2dc42602030b41708cdc6b42ec92eb14d8
1 file changed