Add fully connected op in operation manager.

Bug: 129569810
Test: NeuralNetworksTest_static_fuzzing
Change-Id: I21ba2fae405060439ce77833c20ddf8541a6e69e
Merged-In: I21ba2fae405060439ce77833c20ddf8541a6e69e
(cherry picked from commit be8ca2ea0c37aea485e37b3cb0fd3c94a108d750)
1 file changed