Update namespace to match framework/ml/nn

Bug: 72448000
Test: make vts
Change-Id: I3543913561b33e4d1e9d960ec1f81624fb0a1e6b
Merged-In: I3543913561b33e4d1e9d960ec1f81624fb0a1e6b
(cherry picked from commit de16694a6079355867287e4613ae89123c224171)
7 files changed