Updated data type for keys in Hashtable Lookup

Bug: 63905942

This OP was initially added when the NN API only allowed floating-
point tensors.

Now since integer tensors are allowed in NN API, update the Hashtable
Lookup with the better suited data types.

Test: NeuralNetworksTest
Change-Id: I3dafb2f60bd428700a5a6de393b86dbd75f285dd
9 files changed
tree: 2b36bfbb4e3be3e4fab9c94f386128964ef9903d
  1. nn/
  2. Android.bp