Define concat and split op in operation manager.

Bug: 129569810
Test: NeuralNetworksTest_static_fuzzing
Change-Id: Idb0f0bdf21ae354a6b0312670ed3b016a6ad42f3
Merged-In: Idb0f0bdf21ae354a6b0312670ed3b016a6ad42f3
(cherry picked from commit 840229c7376a1f8c216dca21f4cdb67724749d25)
1 file changed